Tax Season 2026 — 58 days remaining   Collect W-2s, 1099s & receipts first.

🎓 Advanced GPA Calculator

Calculate, track, and predict your Grade Point Average with our comprehensive tool. Perfect for high school and college students.

✨ Weighted & Unweighted 📊 Semester Tracking 🔮 Grade Predictions 📈 Comprehensive Analytics 💾 Save Progress 📱 Mobile Friendly

GPA Calculation Type

Unweighted GPA: Standard 4.0 scale where A = 4.0. All courses weighted equally.

Your Courses

GPA History

Grade Predictor

Predict your future GPA based on your target semester performance

Current GPA

Current Total Credits

Target Semester GPA

Semester Credits

Required GPA Calculator

Calculate what GPA you need this semester to reach your target cumulative GPA

Current GPA

Current Credits

Target Cumulative GPA

Semester Credits

Academic Statistics

--
Cumulative GPA
--
Total Semesters
--
Total Courses
--
Total Credits
--
Highest GPA
--
Average GPA

GPA Trend Over Time

Grade Distribution

What-If Analysis

Run multiple scenarios to see how different grade outcomes would affect your GPA

Your Current Status

Current GPA

Current Credits

Test Scenarios

📊 Your GPA Results

Fall 2024

0.00
Your Semester GPA
0
Courses
0
Credits
Unweighted
Type
Excellent
Quality

Course Breakdown

🎯 Why Use Our Advanced GPA Calculator?

The most comprehensive and accurate GPA calculator trusted by thousands of students across the United States. Calculate your Grade Point Average with precision and confidence.

📊

Accurate Calculations

Our GPA calculator uses industry-standard formulas to ensure precise calculations for both weighted and unweighted GPAs. Supports all grading scales including 4.0, 5.0, and custom scales used by high schools and colleges nationwide.

💾

Save Your Progress

Track your academic journey semester by semester. Our GPA tracker saves your calculation history, allowing you to monitor improvements, identify trends, and stay motivated throughout your academic career.

🔮

Predict Future GPA

Plan ahead with our grade predictor tool. Calculate what grades you need to achieve your target GPA, run What-If scenarios, and make informed decisions about your course selections and study priorities.

📱

Mobile Friendly

Calculate your GPA anytime, anywhere. Our responsive design works perfectly on smartphones, tablets, and desktops. Access your GPA history and predictions on the go, whether you're in class or at home.

🎓

For All Students

Perfect for high school students, college undergraduates, and graduate students. Supports all academic levels from freshman to senior year, including AP courses, honors classes, and IB programs.

💯

100% Free Forever

No hidden fees, no subscriptions, no premium tiers. Access all features completely free including GPA calculations, predictions, statistics, data export, and unlimited history tracking. Always free, forever.

📚 How to Calculate Your GPA - Complete Guide

Understanding how Grade Point Average is calculated is essential for academic success. Follow our step-by-step guide to master GPA calculations.

1 List All Your Courses

Start by listing every course you're taking this semester. Include the course name (e.g., "Calculus I", "English Composition", "Biology 101") to keep your records organized. This helps you track each class individually and makes it easier to identify areas for improvement.

Pro Tip: Keep a digital or physical folder with all your course syllabi to reference credit hours and grading scales easily.

2 Enter Letter Grades

Input the letter grade you received (or expect to receive) for each course. Common grades include A (excellent), B (above average), C (average), D (below average), and F (failing). Many schools also use plus (+) and minus (-) modifiers to provide more granular assessment.

Grade Scale Reference:
  • A (90-100%) = 4.0 points
  • B (80-89%) = 3.0 points
  • C (70-79%) = 2.0 points
  • D (60-69%) = 1.0 points
  • F (below 60%) = 0.0 points

3 Add Credit Hours

Enter the number of credit hours (also called credit units or semester hours) for each course. Most college courses are 3-4 credits, but this can vary. Lab courses might be 1-2 credits, while intensive courses could be 5-6 credits. Check your course registration or syllabus for accurate credit hour information.

Important: Credit hours directly impact your GPA calculation. A poor grade in a 4-credit course affects your GPA more than the same grade in a 1-credit course.

4 Select Course Type (If Weighted)

For high school students or schools using weighted GPAs, specify whether each course is Regular, Honors, or AP/IB. Weighted GPAs give bonus points for advanced courses: Honors classes typically add 0.5 points, while AP and IB courses add 1.0 point to your base grade. This rewards students for taking more challenging coursework.

Example: An A in an AP course would be worth 5.0 points instead of 4.0 in a weighted GPA calculation.

5 Calculate Your GPA

Click the "Calculate GPA" button and instantly see your results. The calculator multiplies each grade point value by its credit hours to get quality points, sums all quality points, then divides by total credit hours. The formula is: GPA = (Sum of Quality Points) ÷ (Total Credit Hours). Your result appears with detailed breakdowns, grade quality assessment, and insights.

🎯 GPA Quality Scale:
  • 4.0 - 3.7: Excellent (A range) - Dean's List, Honors
  • 3.6 - 3.3: Very Good (A-/B+ range) - Above Average
  • 3.2 - 3.0: Good (B range) - Satisfactory Progress
  • 2.9 - 2.7: Above Average (B-/C+ range)
  • 2.6 - 2.0: Average (C range) - Passing
  • Below 2.0: Below Average - May need academic support

⚖️ Weighted vs Unweighted GPA - Which Should You Use?

Understanding the difference between weighted and unweighted GPA is crucial for accurate academic assessment and college applications.

📘 Unweighted GPA (4.0 Scale)

The traditional and most commonly used GPA scale. All courses are treated equally regardless of difficulty level. Maximum achievable GPA is 4.0.

✅ When to Use:

  • Standard college GPA calculations
  • Most scholarship applications
  • Graduate school admissions
  • Comparing students fairly
  • NCAA athletic eligibility

📊 Grade Scale:

  • A = 4.0 points
  • B = 3.0 points
  • C = 2.0 points
  • D = 1.0 points
  • F = 0.0 points

📗 Weighted GPA (5.0+ Scale)

Rewards students for taking advanced courses by adding bonus points. Honors classes get +0.5, AP/IB courses get +1.0. Maximum can exceed 5.0.

✅ When to Use:

  • High school GPA calculations
  • Competitive college admissions
  • Class rank determination
  • Valedictorian/Salutatorian selection
  • Honors program applications

📊 Grade Scale Example (AP Course):

  • A = 5.0 points (+1.0 bonus)
  • B = 4.0 points (+1.0 bonus)
  • C = 3.0 points (+1.0 bonus)
  • D = 2.0 points (+1.0 bonus)
  • F = 0.0 points (no bonus)

💡 Important Note for College Applications

Most colleges recalculate your GPA using their own scale, so submit both weighted and unweighted GPAs when possible. Admissions officers consider course rigor (AP/IB classes) separately, so taking challenging courses benefits you regardless of the GPA scale used. Many top universities look at unweighted GPA (4.0 scale) but also consider the difficulty of your course load when making admissions decisions.

🏛️ GPA Requirements by College Tier

Understanding GPA benchmarks for different college tiers helps you set realistic goals and target appropriate schools. Here's what you need to know for college admissions in 2026.

🌟 Elite/Ivy League Universities (Top 20)

3.9-4.0
Average GPA
3.7+
Minimum Competitive

Schools: Harvard, Yale, Princeton, Stanford, MIT, Columbia, UPenn, Brown, Dartmouth, Cornell, Duke, Northwestern, Johns Hopkins

Reality Check: These schools expect near-perfect GPAs PLUS rigorous course loads (10+ AP classes), exceptional test scores, unique extracurriculars, and compelling essays. A 4.0 alone doesn't guarantee admission - holistic review considers your entire application.

🎓 Highly Selective Universities (Top 50)

3.7-3.9
Average GPA
3.5+
Minimum Competitive

Schools: UCLA, UC Berkeley, University of Michigan, UNC Chapel Hill, NYU, Boston College, Vanderbilt, Rice, Emory, Georgetown

What You Need: Strong GPA with challenging courses (5-8 AP/IB classes), solid test scores (if required), demonstrated leadership, and genuine passion in extracurriculars. Geographic diversity and unique perspectives can help.

📚 Selective Universities (Top 100)

3.5-3.7
Average GPA
3.2+
Minimum Competitive

Schools: University of Florida, Penn State, University of Texas, University of Wisconsin, Ohio State, Georgia Tech, University of Washington

What You Need: Solid academic record with some advanced courses, good test scores, meaningful extracurriculars, and strong essays. These schools offer excellent education with slightly higher acceptance rates.

🏫 Moderately Selective Universities

3.0-3.5
Average GPA
2.8+
Minimum Competitive

What You Need: Consistent B average or better, reasonable course load, participation in activities, and solid character. These schools offer quality education with good acceptance rates and excellent value. Perfect for students who want a strong college experience without extreme competitiveness.

📈 10 Proven Strategies to Improve Your GPA

Whether you're trying to raise your GPA for college admissions, scholarships, or personal achievement, these evidence-based strategies actually work.

📅

1. Time Management Mastery

Use a planner or digital calendar to track all assignments, tests, and deadlines. Break large projects into smaller tasks. The Pomodoro Technique (25 minutes focused work, 5 minute break) increases productivity. Prioritize high-credit courses for maximum GPA impact.

👥

2. Form Study Groups

Collaborate with serious students who challenge you. Teaching concepts to others reinforces your own understanding. Study groups catch mistakes you might miss alone and provide motivation. Meet regularly, stay focused, and rotate who leads each session.

🏢

3. Utilize Office Hours

Professors and TAs want to help you succeed. Office hours provide one-on-one clarification, exam insights, and relationship building. Go prepared with specific questions. Building rapport with instructors can lead to better letters of recommendation and academic opportunities.

📝

4. Active Note-Taking

Don't just transcribe lectures - engage with the material. Use Cornell Method, mind maps, or color coding. Review and refine notes within 24 hours while fresh. Writing things down improves retention by 50% compared to passive listening.

🎯

5. Focus on High-Impact Courses

Prioritize 3-4 credit courses over 1-credit courses for maximum GPA improvement. One grade change in a 4-credit class impacts your GPA 4x more than in a 1-credit class. Use our calculator to identify which courses matter most.

🎓

6. Get Tutoring Early

Don't wait until you're failing to seek help. Most schools offer free tutoring centers. Start in week 2-3 of the semester. Consistent tutoring prevents knowledge gaps from compounding. Even A students use tutors to maintain excellence and learn efficient techniques.

📖

7. Read Ahead

Preview next week's material before class. Even skimming creates mental hooks for lectures. You'll understand faster, participate better, and ask smarter questions. This transforms you from passive listener to active learner, significantly improving comprehension and grades.

💤

8. Prioritize Sleep

Students who sleep 7-8 hours score 10% higher than those who sleep 6 or less. Sleep consolidates learning and improves memory retention. All-nighters decrease performance. Better to get adequate sleep before exams than cram until 3 AM.

✅

9. Never Miss Easy Points

Attend every class (participation points), complete all homework (even if only worth 10%), do extra credit when offered. These "easy points" add up. Students who maximize participation and homework often end up with higher grades than those who ace tests but skip assignments.

📊

10. Track Your Progress

Use our GPA calculator weekly to monitor your standing. Set specific GPA goals each semester. Seeing progress (or decline) early allows course correction. Calculate what grades you need on finals using our prediction tools. Data-driven students perform better.

🎯 Pro Tip: The Compound Effect

Small, consistent improvements compound over time. Raising your GPA by just 0.1 points each semester for 4 semesters results in a 0.4 point increase. That's the difference between a 3.2 and a 3.6 - potentially thousands in scholarship money and access to competitive programs. Start today, stay consistent, and use our calculator to track your journey!

🚀 Start Calculating Your GPA Now!

Join thousands of students who use our advanced GPA calculator to track their academic progress, predict future outcomes, and achieve their educational goals. It's completely free, works on any device, and requires no signup.

📊 Calculate GPA Now 🔮 Try Grade Predictor

About Our GPA Calculator

AZRS Corp's Advanced GPA Calculator is the most comprehensive and accurate tool for calculating Grade Point Average. Trusted by students nationwide since 2024, we provide free, instant GPA calculations with advanced features like predictions, What-If scenarios, and detailed analytics.

Quick Links

Popular Searches

  • • College GPA Calculator
  • • High School GPA Calculator
  • • Weighted GPA Calculator
  • • Cumulative GPA Calculator
  • • GPA to Letter Grade
  • • How to Raise My GPA

Student Resources

  • 📖 How to Calculate GPA
  • 📊 GPA Scale Guide
  • 🎯 Study Tips
  • 💡 Academic Planning
  • 🏆 Scholarship Requirements
  • 📈 GPA Improvement Tips

© 2024- AZRS Corp. All rights reserved. | Free GPA Calculator for Students Worldwide

Keywords: GPA Calculator, College GPA, High School GPA, Weighted GPA, Unweighted GPA, Cumulative GPA, Grade Point Average, Academic Calculator, Grade Predictor, Transcript Calculator, GPA Tracker, Free Online GPA Calculator 2026

Preview

See Free Advanced GPA Calculator in action

azrscorp.com/calculators/gpa/
Screenshot of the free Free Advanced GPA Calculator tool on AZRS QuickFix
1Add a course with its name (optional), letter grade and credit hours.
2Repeat for every course in the semester.
3Review your calculated GPA instantly as you add courses.
Overview

Free Advanced GPA Calculator

Calculate your Grade Point Average from individual course grades and credit hours. Add each course with its letter grade (or numeric score) and credit hours, and the calculator computes your weighted GPA instantly using the standard 4.0 scale, along with tools for tracking and predicting grades.

Because credit hours are weighted correctly, a 4-credit A counts more toward your GPA than a 1-credit A — this calculator handles that weighting automatically so you don't need to do it by hand.

Highlights

Key features

Weighted GPA by credit hours

Correctly weights each course by its credit value, not a simple average.

Letter grade and numeric support

Enter grades as letters (A, B+, etc) or as numeric scores.

Add unlimited courses

Build a full semester or full transcript's worth of courses.

Save and track over time

Log in to save calculations and build a GPA history across semesters.

Walkthrough

How to use it

  1. Add a course with its name (optional), letter grade and credit hours.
  2. Repeat for every course in the semester.
  3. Review your calculated GPA instantly as you add courses.
  4. Save the calculation to your account to track it over time.
In practice

Worked example

Example

Three courses — an A (4.0) in a 4-credit class, a B+ (3.3) in a 3-credit class, and a B (3.0) in a 3-credit class — give a weighted GPA of (4.0×4 + 3.3×3 + 3.0×3) ÷ 10 = 3.49.
Audience

Who uses this tool

College and university students

Calculate a semester or cumulative GPA quickly and accurately.

High school students

Track GPA toward college applications.

Academic advisors

Quickly verify a student's GPA calculation.

Pro tips

Tips for the best results

  • Always weight by credit hours, not a simple average of letter grades — a 1-credit and a 4-credit A are not worth the same to your overall GPA.
  • Check whether your school uses a 4.0, 4.3 or a different scale, since letter-to-point mappings vary slightly between institutions.
  • Save your calculations if you're logged in so you can track your GPA trend across multiple semesters in one place.
  • Recalculate your cumulative GPA (not just the current semester) when checking eligibility for scholarships or honors.
Watch out

Common mistakes to avoid

  • Averaging letter grades without weighting by credit hours, which gives an inaccurate GPA.
  • Using the wrong grade scale for your specific school (some use 4.3 for A+, others cap at 4.0).
  • Forgetting to include a course with a low grade, which skews the calculated GPA upward inaccurately.
Why AZRS

Why use AZRS QuickFix?

It is 100% free, needs no signup and has no watermark or usage limits. The tool runs in your browser, so what you type stays on your device, and it works on phones, tablets and desktops. New tools are added every week — bookmark this page or browse the full QuickFix toolbox.

FAQ

Frequently asked questions

How is GPA calculated?

Each course's grade points (based on the school's scale) are multiplied by its credit hours, summed across all courses, then divided by the total credit hours.

What's the difference between semester and cumulative GPA?

Semester GPA covers just the current term's courses; cumulative GPA weights every course you've ever taken across all terms.

Is this GPA calculator free?

Yes, free with no signup required to calculate; logging in only adds saving and history features.

Does it support A+ grades above 4.0?

It supports the standard 4.0 scale used by most US institutions; check your school's specific scale if it differs.

Can I save my GPA history?

Yes, log in to save calculations and track your GPA across semesters.

Is my grade data private?

Yes, grade data is tied only to your own account and not shared.

All Tools
Homework Planner
GPA Calc
Flashcards
Citations
Study Timer
Grade Calc
Unit Conv.
File Compress
File Convert
PDF Merger
Image→PDF
Text Extract
Video DL
PDF Splitter
File Encrypt
BG Remover
FG Remover
Color Changer
Img Resizer
QR Code
Percentage
Loan EMI
Mortgage
Tax Calc
Salary
Currency
BMI
Tip Calc
Compound Int.
Translator
Summarizer
Transcription
AI Chat
Project Maker
Paraphraser
Word Counter
Case Converter
Paraphraser
Summarizer
Text Extractor
Find & Replace
Diff Checker
Text to Speech
Lorem Ipsum
JSON Format
Base64
Regex Tester
My IP
Notes App
Stock Advisor
Risk Simulator
CSV↔JSON
XML↔JSON
Base64
URL Encode
Binary↔Text
MoleMath
ChemScope
Periodic Table
SEO Analyzer
Speed Test
Keywords
Internal Links
Cannibalization
Tech Stack
Islam Home
Prayer Times
Quran Reader
Halal/Haram
Christianity
All Religions
Prayer Times
Athan
Qibla
Tasbih
Halal Scanner
Zakat Calc
Masjid Finder
Ramadan
Quran Reader
Hadith
Flappy Bird
Snake
Chess
2048
Tetris
All Games →
All News
Tech News
AI News
World News
Islamic News
Finance News
Sports
Science
Health
Web Dev
Tax Services
Business
Book Appt
Expenses
All Services
Password Generator
UUID Generator
Unix Timestamp Converter
Color Converter & Contrast Checker
Remove Duplicate Lines & Sort Text
URL Slug Generator
Number to Words Converter
Roman Numeral Converter
Random Number Generator
Days Between Dates Calculator
Countdown Timer & Stopwatch
Sleep Calculator
Profit Margin Calculator
Image to Base64 Converter
Meta Tag Generator
Time Zone Converter
Invoice Generator
Fancy Text Generator
Text Reverser & Flipper
Morse Code Translator
Word Frequency Counter
Readability Score Checker
Typing Speed Test
Text Cleaner
Statistics Calculator
GCD & LCM Calculator
Prime Number Checker
Fraction Calculator
Quadratic Equation Solver
Number Base Converter
Aspect Ratio Calculator
VAT / GST / Sales Tax Calculator
Savings Goal Calculator
Bill Splitter & Tip Calculator
Fuel Cost Calculator
Calorie & TDEE Calculator
Daily Water Intake Calculator
Running Pace Calculator
Pregnancy Due Date Calculator
CSS Gradient Generator
CSS Box Shadow Generator
Color Contrast Checker (WCAG)
UTM Link Builder
HTML Entity Encoder / Decoder
Chmod Permissions Calculator
Robots.txt Generator
Cron Expression Generator
Internet Speed Test
What Is My Screen Resolution & Device Info
Webcam Test
Microphone Test
Online Voice Recorder
Screen Recorder & Screenshot
Keyboard Tester
Click Speed Test (CPS)
Online Metronome & Tap Tempo
Dead Pixel Test & Screen Checker
Monitor Refresh Rate Test (Hz)
Online Ruler (cm & inches, actual size)
Speaker & Headphone Test (Left / Right)
Password Breach Checker
Is Website Down? Website Status Checker
SSL Certificate Checker
DNS Lookup
Weather Forecast
Exact Time & Clock Accuracy Check
EXIF Viewer & Photo Metadata Remover
Barcode Generator
Gamepad & Controller Tester
Mouse Tester & Polling Rate Test
Touch Screen Test (Multi-Touch & Dead Zones)
Battery Status Checker
Browser Privacy & Fingerprint Test
WebRTC Leak Test (VPN IP Check)
Browser Feature & Codec Support Test
Computer Speed Test (Browser Benchmark)
Installed Font Checker
Ping Test (Latency to Game & Cloud Servers)
Online Tuner (Guitar, Ukulele, Violin & Chromatic)
Decibel Meter (Sound Level Meter)
Audio Cutter & Trimmer
Video Frame Grabber (Screenshot from Video)
Image Cropper
Add Watermark to Photos
Color Palette Extractor (from Image)
Color Blindness Simulator
ZIP Creator & Extractor
Live Earthquake Tracker (USGS)
Air Quality Index (AQI) by City
Sunrise, Sunset & Moon Phase Calculator
Public Holidays by Country
Domain Age & Expiry Checker (RDAP)
Email Setup Checker (SPF, DKIM, DMARC, MX)
Coin Flip, Dice Roller & Random Picker
QR Code & Barcode Scanner
Online Alarm Clock
Blur & Redact Image (Hide Text and Faces)
Live Cryptocurrency Prices
Temp Mail — Free Disposable Email Address
Recipe Unit Converter & Scaler
Travel Packing List Generator
Moving Checklist Generator
Habit Tracker
20-20-20 Eye Break Timer
Business Card Maker
PDF Page Numbers & Bates Stamper
Photo Collage & Grid Maker
GIF Maker from Images
Audio Format Converter
Duplicate File Finder
Rent vs Buy Calculator
Grocery Price Comparison Calculator
Body Fat Percentage Calculator
Debt Payoff Calculator (Snowball vs Avalanche)
Shopping List & Budget Tracker
White Noise & Focus Sound Generator
Breathing Exercise Timer
Blue Light Filter & Screen Dimmer
Digital Magnifier (Camera Zoom)
Voice Typing (Speech to Text)
Random Name & Username Generator
ASCII Art Generator
Website Favicon Maker
Meme Generator
Signature Generator
Handwriting Practice Sheet Generator
Printable Calendar & Planner Generator
Braille Translator
NATO Phonetic Alphabet Translator
PDF Page Organizer (Reorder, Rotate & Delete)
Resume / CV Builder + ATS Score Checker
Subtitle Editor & Generator (SRT/VTT)
Contract/PDF Redline Diff Viewer
YouTube Thumbnail Downloader
Social Share Preview Simulator (Open Graph)
Robots.txt & Sitemap.xml Validator
DNS Propagation Checker
Unit Price Comparator (Cost Per Weight/Volume/Item)
Favicon Generator (Multi-Size ICO & PNG)
JSON Formatter, Validator & Beautifier
Regex Tester with Live Match Highlighting
Markdown Live Editor & Previewer
SVG Optimizer & Minifier
Image Format Converter (PNG, JPG, WebP, GIF, BMP)
CSV ⇄ JSON Converter
Binary / Hex / ASCII Text Translator
CSS clamp() Fluid Typography Calculator
CSS Flexbox Playground & Generator
Event Countdown Page Creator
Secret Note Link Generator
Random Quote Generator
Mind Map & Outline Builder
Quick Sketch & Whiteboard
Oven Temperature & Cooking Converter
Tabata / HIIT Interval Timer
Random Team & Group Generator
Resistor Color Code Calculator
Meeting Time Planner Across Time Zones
Appliance Electricity Cost Calculator
Rarity Score — How Rare Are You?
Life in Numbers — How Much of Your Life You've Used
Broke Score — How Broke Are You Really?
Brain Type Quiz — Fast Thinker, Overthinker or Creative Chaos?
Smarter Than Average Quiz
Where Should You Live? Personality Archetype Match
One Sentence About Your Life
Compare Yourself to the World
Time Wasted on Phone — Lifetime Calculator
Future Net Worth Simulator — Spend vs Invest
Focus Score Test — Real Timed Attention Test
Sleep Debt Calculator — Real Nights Owed
Text Personality Analyzer
Subscription Cost Reality Check
Move-Out Readiness Score
Rideshare Driver Profit Reality Check
Overthinking Score — Rumination Self-Check
Digital Life Report — Brain Performance Score
Hourly to Salary Calculator (After Tax)
Rent Affordability Calculator — How Much Rent Can I Afford?
EV Charging Cost Calculator
Amazon FBA Profit Calculator
Paycheck Frequency Comparison Calculator
Overtime Pay Calculator (Time and a Half)
Credit Card Payoff Calculator — Minimum vs Bigger Payment
Phone Storage Calculator — How Many Photos & Videos Fit
Typing / Data Entry Job Earnings Calculator
Startup Cost Calculator — Itemized Business Launch Budget
eBay Fee Calculator
Etsy Fee Calculator
PayPal vs Stripe Fee Calculator
Poshmark Fee Calculator
Mercari Fee Calculator
Walmart Marketplace Fee Calculator
Shopify Transaction Fee Calculator
DoorDash / Uber Eats Commission Calculator
Markdown to PDF Converter
Subnet / CIDR Calculator
Inflation Calculator
Photo Background Blur
Image Upscaler & Sharpener
Disposable Email Checker
Diceware Passphrase Generator
IBAN Validator
Credit Card Number Validator (Luhn Test)
HTTP Status Code Reference
MAC Address Lookup & Formatter
Word Search Puzzle Generator
XML Sitemap Generator
JavaScript Minifier & Beautifier
SVG to PNG / JPG Converter
Storage Unit Converter (KB/MB/GB/TB)
Shoe & Clothing Size Converter
Paper Size Reference & Comparison
Regex Pattern Library & Tester
PPI / DPI Calculator
File Hash & Checksum Verifier
Business Days Calculator
Color-Blind-Safe Palette Generator
Screen Color Picker (Eyedropper)
Excel/Sheets Formula Explainer
Which File Format Should I Use?
Big Mac Index Currency Comparator
Image Noise Reducer (Denoiser)
Audio Recording Quality Checker
PDF to Images (PNG) Converter
PDF Form Filler
PDF Splitter by Text Match
PDF Permanent Redaction Tool
Password-Protected ZIP Creator & Extractor
Video to GIF Converter
UPC / Barcode Product Lookup
Live UV Index & Sun Safety Calculator
Planet Visibility Tonight
SSL Certificate Batch Checker
Live Aircraft Tracker Near You
Audio Pitch & Tempo Changer
Video Watermark Tool
Password Strength & Crack-Time Checker
Meeting Cost Calculator
CSV to SQL INSERT Generator
AI Text Detector
Paraphrasing Tool
AI Humanizer
3D Model Viewer & Analyzer (STL, OBJ, 3MF, STEP…)
G-code Viewer & Print Time Estimator
3D Print Cost Calculator
Filament Weight ⇄ Length Converter
Layer Height & Nozzle Settings Calculator
CAD Unit & Drawing Scale Converter
STL ⇄ OBJ 3D Model Converter
STEP / STP to STL Converter
STEP / IGES to OBJ & GLB Converter
STL to STEP Converter (Mesh to Solid)
3MF ⇄ STL Converter
PLY / OFF / AMF / GLB / FBX / 3DS to STL Converter
STL Repair Tool & Mesh Checker
STL Scale, Rotate, Mirror & Unit Fix Tool
STL Merge, Split & Cut Tool
STL Hollow Tool — Hollow Out Models & Save Resin
STL Overhang & Support Checker
3D Print Orientation Optimizer
G-code Print Time & Filament Cost Estimator
G-code Editor & Inspector — Insert Pauses, M600, Strip Comments
G-code to SVG / PNG / DXF Toolpath Converter
3D Printer Calibration G-code Generator
Resin 3D Print Calculator — Exposure, Time & Cost
Heat-Set Insert, Screw Hole & 3D-Print Tolerance Chart
DXF ⇄ SVG Converter
SVG to DXF Converter with Unit & Scale Control
Onshape Export Format Helper — Which Format for What?
ISO 286 Fit & Tolerance Calculator (H7/g6, H7/p6…)
Thread & Fastener Chart — Tap Drill, Clearance, Counterbore
Gear Calculator & Involute Gear SVG/DXF/STL Generator
Beam Deflection & Stress Calculator (with Diagrams)
Second Moment of Area & Section Properties Calculator
Compression Spring Design Calculator
Material Weight Calculator (Steel, Aluminium, Plastics, Wood…)
Sheet Metal Bend Allowance & K-Factor Calculator
mm ⇄ Inch Fraction & Tolerance Converter
Bolt Circle & Hole Pattern Coordinate Generator
CNC Machining Cost & Time Estimator
Laser Cutting Cost & Time Estimator (SVG/DXF)
Laser Cut Box Generator (Finger Joints & Living Hinge)
Lithophane Generator — Photo to 3D Printable STL
Heightmap / Image to STL Relief Generator
SVG to STL Extruder (Logo / Silhouette to 3D)
3D Text & QR Code STL Generator
Parametric Bracket, Standoff & Spacer Generator
Gridfinity Bin & Baseplate Generator
Pegboard Panel & Peg Hook Generator
Onshape FeatureScript Snippet Library & Cheat Sheet
Onshape Sketch Constraints, Shortcuts & Troubleshooting Guide
Onshape to Slicer 3D Printing Workflow Guide
Engineering Drawing Checklist — Title Block, Views, Dimensions
3D Model to GIF, PNG & Video Preview Maker (Turntable)
STL Simplifier & Smoother (Reduce Triangles, Decimate)
STL Boolean Tool (Union, Subtract, Intersect)
Add Text, Logo or Base Plate to an STL
Online STL Slicer Preview — Layers, Print Time & Filament Estimate
3D-Printable Screw Thread Generator (Bolts, Nuts, Lead Screws)
Print-in-Place Hinge Generator & Snap-Fit Calculator
3D-Printable Box with Lid Generator
Keychain & Name Tag STL Maker
Bearing, Magnet & Nut Pocket Size Calculator for 3D Printing
Stepper Steps per mm, Belt Length & Pulley Calculator
Arduino, ESP32, Pico & ESP8266 Pinout Reference
PCB Trace Width, Via Current & Microstrip Impedance Calculator
Laser Power/Speed Test Grid, Kerf Test & Material Safety Guide
2D Truss Solver — Member Forces, Reactions & Deflections
Mohr's Circle Calculator — Principal Stresses & Stress Transformation
Bolt Torque, Preload & Strength Calculator (ISO Metric)
Fillet Weld Size & Strength Calculator (AISC & Eurocode)
Engineering Unit Converter with Unit Expressions (psi, MPa, N·m, lbf·ft…)
Composite Section Moment of Inertia Calculator (Centroid, Ix, Iy, Section Modulus)
Heat Sink & Thermal Resistance Calculator
Pipe Flow & Pressure Drop Calculator (Darcy–Weisbach)
Tolerance Stack-Up Calculator (Worst Case, RSS & Monte Carlo)
Feet & Inches Calculator (Add, Subtract, Multiply, Divide Fractions)
GD&T Symbols Reference & Feature Control Frame Builder
Surface Finish Converter & Chart (Ra, Rz, RMS, N Grades, µin)
Laser Cutter SVG & DXF Cleaner (Join Paths, Remove Duplicates, Order Cuts)
Online DXF Viewer with Measure Tool, Layers & Shape Properties
Image to SVG / DXF Vector Tracer for Laser & CNC
PDF Drawing to DXF / SVG Vector Extractor
STL Weight, Centre of Mass & Moment of Inertia Calculator
STL Cross-Section to DXF / SVG Outline (Slice at Any Height)
STL Wall Thickness Checker (Thin-Wall Heat Map)
STL to 2D Drawing — Top, Front & Side Views to SVG / DXF
Mouse Ears Generator — Anti-Warp Pads for STL Files
Gyroid Lattice Generator (TPMS Blocks for 3D Printing)
3D Printable Gear Generator — Spur, Helical & Herringbone STL
Knob & Thumb Screw Generator (Nut Trap, D-Shaft) STL
DXF to STL Extruder — 3D Print from a DXF Drawing
Laser & CNC Nesting Tool — Pack Parts onto Sheets (SVG/DXF)
SVG / DXF Path Offset & Kerf Compensation Tool
3D Print Troubleshooting Guide — Fix Stringing, Warping & More
Filament Chooser — PLA vs PETG vs ABS vs ASA vs TPU vs Nylon
Extruder E-Steps, Rotation Distance & Flow Rate Calibration Calculator
3D Print Tolerance & Clearance Test Generator (STL)
Keyway & Parallel Key Size Chart and Torque Calculator (DIN 6885)
O-Ring Groove & Gland Design Calculator (Squeeze, Fill, Stretch)
Drawing Sheet Border & Title Block Generator (A4–A0, ANSI) SVG / DXF
Primitive Shapes STL Generator — Cube, Sphere, Cylinder, Torus & More
Isometric, Dot & Graph Grid Paper Generator (Printable PDF-Ready)
Push-Up Coach with Voice
Custom Workout Builder with Voice Coach
One-Rep Max (1RM) Calculator
Heart Rate Zones Calculator
Camera Push-Up Counter (AI)
Camera Squat Counter (AI)
Camera Sit-Up & Crunch Counter (AI)
Camera Pull-Up Counter (AI)
Camera Jumping Jack Counter (AI)
Plank Timer with Form Check (Camera)
Camera Lunge Counter (AI)
Camera Burpee Counter (AI)
Camera Jump Rope Counter (AI)
Camera High Knees & Mountain Climber Counter (AI)
Yoga Pose Checker (Camera)
Desk Posture Checker (Camera)
Workout Generator (Muscle, Equipment & Time)
Rep & Set Tracker
Rest Timer with Voice
Workout Log & History Tracker
7-Day & 30-Day Fitness Challenge Tracker
Voice Counter (Count Out Loud)
Pronunciation Practice (Listen, Speak, Score)
Text Reader with Highlighted Words
Calories Burned Calculator (37 Activities)
Macro Calculator (Protein, Carbs & Fat)
Ideal Weight Calculator (4 Formulas)
Steps to Distance Calculator
Protein Intake Calculator
Exercise Library with Animations
Interactive Muscle Map
Stretching Guides with Animations
Stretch Routine Guide (Voice Coached)
Beginner Workout Plans (4-8 Weeks)
Diet & Meal Planner with Shopping List
Fitness Blog & Guides
Camera Workout Mode (AI Circuit Coach)
Fitness Tools Hub (Find Any Tool by Goal)
Boxing Punch Counter (Camera)
Kick Counter (Camera)
Basketball Shot Counter (Camera)
Left-Right Balance & Symmetry Test (Camera)
Mobility Screening Test (Camera)
Golf Swing Analyzer (Video)
Tennis Stroke Analyzer (Video)
Cricket Batting & Bowling Analyzer (Video)
Gentle Rehab Routines: Back, Knee, Shoulder & Pregnancy
Senior Chair Exercises & Balance Tests
Kids PE Challenges & Class Scoreboard
Desk Exercise Reminder for Office Workers
Weight & Body Measurements Tracker
Progress Photos with Before/After Slider
Personal Records (PR) Board
Deload & Recovery Readiness Advisor
Weekly Workout Planner
12-Week Workout Programs (Strength, Fat Loss, Muscle)
GPS Run Tracker with Map
Run/Walk Interval Timer & Couch to 5K
Cycling Calculators: Speed, Power, Gears & FTP
Swimming Calculators: Pace, Laps, Calories & CSS
AMRAP & EMOM Workout Timer
Strength Standards Calculator
Barbell Plate Calculator
Warm-Up Sets Calculator
DOTS & Wilks Calculator
Weight Loss Timeline Calculator
FFMI Calculator (Fat-Free Mass Index)
Waist-to-Height & Waist-to-Hip Ratio Calculator
Strength Program Calculator (5/3/1, 5x5, Heavy-Light-Medium)
Race Time Predictor & Training Paces
Pace Band & Split Calculator
VO2 Max Calculator (4 Methods)
Sweat Rate Calculator
Food Calorie & Macro Lookup + Daily Diary
Pedometer (Step Counter) for Your Phone
Boxing & MMA Round Timer
Yoga Flow Builder (Voice & 3D Guided)
Meditation Timer with Guided Breathing & Bells
Running Cadence & Music BPM Calculator
Fitness Test Scorecard (Push-ups, Sit-ups, Plank, Run)
Biceps Curl Counter (Camera)
Shoulder Press Counter (Camera)
Lateral & Front Raise Counter (Camera)
Glute Bridge Counter (Camera)
Leg Raise Counter (Camera)
Triceps Dip Counter (Camera)
Hip Hinge & Deadlift Counter (Camera)
Wall Sit Timer (Camera)
7-Minute Workout (Voice Guided)
10-Minute Abs Workout (Voice Guided)
Glute Workout at Home (Voice Guided)
Arm Workout No Equipment (Voice Guided)
Leg Day at Home (Voice Guided)
Quiet Cardio Workout (No Jumping)
Chest & Shoulder Workout at Home (Voice Guided)
Back Workout at Home (Voice Guided)
Dumbbell Full Body Workout (Voice Guided)
Dynamic Warm-Up Routine (Voice Guided)
Strength Workout for Runners (Voice Guided)
Morning Energy Workout (Voice Guided)
Exercise Timer with Voice (Your Own Exercises)
Converter Hub
Homework Statistics
Notes
Unit Converter (Quick)
Wheel of Names: Quick Spin
Wheel of Names: Templates
Wheel of Names: Public Wheels
Wheel of Names: My Wheels
Wheel of Names: Statistics
Spanish Keyboard
French Keyboard
German Keyboard
Portuguese Keyboard
Italian Keyboard
Vietnamese Keyboard
Indonesian Keyboard
Swahili Keyboard
Punjabi Keyboard
Gujarati Keyboard
Tamil Keyboard
Telugu Keyboard
Kannada Keyboard
Malayalam Keyboard
Sinhala Keyboard
Nepali Keyboard
Burmese (Myanmar) Keyboard
Tibetan Keyboard
Mongolian Keyboard
Kazakh Keyboard
Ukrainian Keyboard
Polish Keyboard
Czech Keyboard
Somali Keyboard
Hausa Keyboard
Yoruba Keyboard
Projectile Motion Simulator
Pendulum Lab Simulator
Wave Interference Simulator
Circuit Lab (Ohm's Law)
Forces & Friction Simulator
Orbital Motion & Gravity Simulator
Light Refraction Simulator (Snell's Law)
Free Fall & Motion Graphs
Inclined Plane Simulator
Spring & Hooke's Law Simulator
Collisions & Momentum Lab
RC Circuit & Capacitor Simulator
Electric Field & Charges Simulator
Magnetic Field & Compass Simulator
Doppler Effect Simulator
Lens & Mirror Ray Diagram
Double Slit & Diffraction
Circular Motion & Centripetal Force
Balance Beam & Torque
Moving Man: Position, Velocity & Acceleration Graphs
Buoyancy & Density Lab
Energy Skate Park
Sound Wave & Frequency Simulator
Kinematics Graph Matcher (Position-Time)
Work & Energy Simulator
Bernoulli's Principle & Fluid Flow
Thermal Expansion & Bimetal Strip
Center of Mass & Balance
Ohm's Law Simulator (V = IR)
Resistance in a Wire (R = ρL/A)
Gravity Force Lab
Under Pressure: Fluid Pressure & Depth
Forces and Motion: Newton's Second Law
John Travoltage: Static Electricity & Sparks
Balloons & Static Electricity
Magnet & Compass: Magnetic Field Lines
Faraday's Law & Generator Lab
Waves Intro: String Waves
Fourier: Making Waves
Normal Modes: Coupled Oscillators
Density Lab: Mass, Volume & Identify the Material
AC Circuits: Resistor, Capacitor & Inductor
Coulomb's Law: Force Between Charges
Charges and Fields: Electric Field & Voltage
Hooke's Law: Springs and Forces
Masses and Springs: Bounce Lab
Capacitor Lab: Basics
Projectile Data Lab: Air Resistance & Target Practice
Magnets and Electromagnets
Color Vision: How We See Colour
Circuit Construction Kit: DC & AC Virtual Lab
Energy Forms and Changes: Heat Transfer
Bending Light: Refraction, Reflection & Prism
Balancing Act: Torque & Seesaw
Sound Waves: Two Speakers & Interference
Special Relativity: Time Dilation & Length Contraction Lab
Polarization of Light: Malus's Law Lab
Gyroscopic Precession Lab
Diffraction Grating & Spectrometer Lab
Kirchhoff's Rules: Multi-Loop Circuit Lab
Telescope & Microscope: Compound Optics Lab
Thin-Film Interference Lab
Standing Waves on a String: Tension & Harmonics Lab
Conservation of Angular Momentum: Spinning Disks & Skater Lab
Electric Potential & Equipotential Lines Lab
Ladybug Motion 2D: Velocity & Acceleration Vectors
Collision Lab: 2D Momentum & Kinetic Energy
Resonance Lab: Driven Oscillators
Torque & Rotational Inertia Lab
Lunar Lander: Land Softly Physics Game
Gear Train Simulator
Pulley System Simulator
Car Transmission & Gear Ratio Simulator
Truss Bridge Builder & Load Tester
LED Circuit Designer & Resistor Calculator
Spring-Damper Vibration & Resonance
Beam Bending & Stress Simulator
4-Stroke Engine & Otto Cycle
Hydraulic Press & Pascal's Principle
Wind Turbine Power Simulator
Solar Panel Angle & Power Simulator
HVAC & Heat Pump Simulator
Rocket Thrust & Launch Simulator
Gear Train & Mechanical Advantage Designer
Structural Column Buckling Lab (Euler)
Digital Filter Designer: Low-Pass & High-Pass
Reinforced Concrete Beam Designer
Vehicle Suspension & Shock Absorber Damping Lab
Material Fatigue & S-N Curve Lab
Fluid Pipe Network & Pump Sizing Lab
Heat Exchanger Design Lab (LMTD & Effectiveness-NTU)
PID Controller Tuning Lab
Electrical Power Transformer & Transmission Line Lab
Shaft Torsion & Angle of Twist Simulator
Stress-Strain / Tensile Test Simulator
Heat Conduction Through a Wall: Fourier's Law Simulator
Heat Exchanger Simulator: Parallel-Flow vs Counter-Flow (LMTD)
DC Motor Simulator: Torque, Speed & Back-EMF
Transformer Simulator: Turns Ratio, Losses & Efficiency
Digital Logic Gate Simulator
PID Control System Simulator
Pipe Flow & Reynolds Number Simulator
Gas Laws Simulator
Molarity & Dilution Simulator
pH Scale Simulator
States of Matter Simulator
Acid-Base Lab (HCl & NaOH)
Molecule Polarity Simulator
Limiting Reagent & Stoichiometry Calculator
Periodic Trends Explorer
Buffer Solution Simulator
Solubility Curve Explorer
Atomic Interactions: Lennard-Jones Potential
Molecules and Light: Greenhouse Effect
Acid-Base Titration Simulator
Precipitation Reactions Lab
Heating Curve Experiment
Distillation Setup Lab
Paper Chromatography & Rf Values
Calorimetry & Specific Heat Lab
Beer's Law Lab: Absorbance & Concentration
Atom Builder (Isotopes & Ions)
Bohr Model of Hydrogen
Atomic Orbital Visualizer (s, p, d)
Photoelectric Effect Simulator
Emission Spectrum Viewer
Blackbody Spectrum & Wien's Law
Quantum Wave Interference (Double Slit)
Quantum Coin Toss (Superposition)
Quantum Measurement: Stern-Gerlach Experiment
Build a Nucleus: Protons, Neutrons & Stability
Rutherford Scattering: Discovering the Nucleus
Radioactive Decay & Half-Life Simulator
Isotopes & Average Atomic Mass Mixer
Chemical Equation Balancer
Reaction Rate Simulator
Collision Theory Simulator
Chemical Equilibrium Simulator
Catalyst & Activation Energy
Enthalpy & Activation Energy Diagram
Le Chatelier's Principle (Haber Process)
Reaction Mechanism & Rate-Determining Step
Organic Reaction Pathways Game
Molecule Builder
Molecule Shapes (VSEPR)
Ionic vs Covalent Bonds
3D Molecule Viewer
Orbital Hybridization (sp, sp², sp³)
Resonance Structures & Delocalisation
Galvanic Cell (Voltaic Cell)
Electrolysis of Water
Redox Tracker (Oxidation Numbers)
Electroplating Cell & Faraday's Law
Climate Chemistry: CO₂ & Temperature
Water Purification Stages
Ocean Acidification Simulator
Natural Selection Simulator
Punnett Square Calculator
Predator-Prey Population Simulator
Diffusion & Osmosis Simulator
Enzyme Activity Simulator
DNA Replication Game
Neuron Firing Simulator
Heart Pump & Cardiac Cycle
Photosynthesis & Limiting Factors
Cardiac Cycle & Wiggers Diagram Lab
Respiratory System & Lung Ventilation Simulator
Blood Flow & Circulatory System Simulator
Neuron & Action Potential Simulator
Enzyme Kinetics Laboratory
DNA Replication & Protein Synthesis Simulator
Cell Membrane & Osmosis Simulator
Human Musculoskeletal Movement Simulator
Human Digestion Simulator
Reflex Arc & Nervous System Simulator
Moon Phases Simulator
Gravity & Orbits Sandbox
Plate Tectonics & Earthquakes
Weather & Cloud Formation Simulator
Solar System Builder & Kepler's Laws
Kepler's Laws of Planetary Motion
Greenhouse Effect & Earth's Energy Balance
Volcano Eruption & Magma Dynamics Lab
Rock Cycle Laboratory
Continental Drift & Plate Motion Simulator
Mineral Identification Laboratory
Mountain Building Simulator
Groundwater & Aquifer Simulator
Sediment Transport & River Erosion Lab
Fossil Formation & Geological Time Simulator
Earthquake & Seismic Wave Laboratory
Geothermal Energy & Earth's Interior Simulator
Gravitational Field & Escape Velocity Lab
Stellar Life Cycle & H-R Diagram Simulator
Exoplanet Detection Lab: Transit & Radial Velocity
Solar & Lunar Eclipse Geometry Simulator
Hubble's Law & Redshift Lab
Carbon Cycle Simulator: Reservoirs & Fluxes
Logistic Growth & Carrying Capacity Lab
Water Cycle & Watershed Simulator
Ozone Layer & UV Radiation Lab
Ocean Acidification Lab
Quadratic Function Explorer
Unit Circle & Trig Explorer
Linear Equation Explorer (y = mx + b)
Probability Lab (Coins & Dice)
Derivative Visualizer
Integral & Area Under Curve
Geometric Transformations
3D Geometry Viewer (Volume & Surface Area)
Vector Addition Simulator
Curve Fitting: Best-Fit Line & Regression
Calculus Grapher: Derivative & Integral
Plinko Probability: Galton Board
Fraction Builder: Compare, Add & Equivalent Fractions
Area Model Multiplication & the Distributive Property
Central Limit Theorem: Sampling Distribution Simulator
Sine & Cosine Wave Explorer: Amplitude, Period, Phase
Exponential Growth & Decay Explorer
Color Theory Lab
Virtual Plant Growth Laboratory
Photosynthesis Simulator: Inside the Chloroplast
Plant Transpiration Laboratory
Plant Hormone Simulator
Phototropism & Gravitropism Lab
Plant Nutrient Deficiency Laboratory
Seed Germination Simulator
Plant Water Transport: Xylem Simulator
Flower Anatomy & Pollination Simulator
Plant Genetics & Mendelian Inheritance Simulator