All 442 tools & games
Every AbraCalc tool in one index — pick a category and jump in.
Calculator (184)
Category page →- 401(k) Growth Calculator
- APR to APY Calculator
- Add Days to Date
- Alcohol Units Calculator
- Annual to Monthly & Weekly Pay Calculator
- Average Calculator
- BMI Calculator
- BMR Calculator
- Body Fat % Calculator (Navy Method)
- Body Fat Calculator
- Body Surface Area Calculator
- Break-Even Units Calculator
- CAGR Calculator
- CD Interest Calculator
- Calorie Deficit Projection
- Calories Burned Calculator
- Calories Burned by Activity
- Calories to Fat Calculator
- Car Loan Amortization Calculator
- Car Loan Calculator
- Cat Years Calculator
- Circle Calculator
- Coffee Cost Calculator
- College Savings Calculator
- Combination Calculator (nCr)
- Commute Cost Calculator
- Compound Annual Growth Rate (CAGR) Calculator
- Compound Interest Calculator
- Concrete Slab Calculator
- Cone Volume Calculator
- Credit Card Payoff Calculator
- Credit Card Payoff Calculator
- Cylinder Volume Calculator
- Daily Protein Needs Calculator
- Daily Water Intake Calculator
- Day of the Week
- Days Between Dates
- Days Until Calculator
- Debt Snowball Timeline Calculator
- Debt-to-Income (DTI) Ratio Calculator
- Decimal to Percent Calculator
- Density Calculator (ρ = m/V)
- Discount Calculator
- Distance Between Two Points
- Dividend Reinvestment (DRIP) Calculator
- Dog Years Calculator
- Doubling Time Calculator
- Down Payment Calculator
- EV vs Gas Savings Calculator
- Electricity Cost Calculator
- Emergency Fund Calculator
- Emergency Fund Timeline Calculator
- Exponential Decay Calculator
- Exponential Growth Calculator
- Extra Mortgage Payment Calculator
- FIRE Calculator — Financial Independence, Retire Early
- FIRE Number Calculator
- Factorial Calculator
- Final Grade Calculator
- Flooring Cost Calculator
- Force Calculator (F = ma)
- Fraction to Decimal Calculator
- Fuel Cost Calculator
- Fuel Cost Calculator
- Future Value of Monthly Contributions
- GCD Calculator
- GPA Calculator
- Gross Margin vs Markup Calculator
- Gym Membership Cost Per Visit
- Half-Life Calculator
- Heart Rate Zones Calculator
- Home Value Appreciation Calculator
- Hourly to Annual Salary Calculator
- Hours Calculator
- Hydration Schedule Calculator
- Ideal Gas Law Calculator (PV = nRT)
- Ideal Weight Calculator
- Ideal Weight Range by Height
- Inflation Impact Calculator
- Inflation-Adjusted Value Calculator
- Investment Growth Calculator
- Katch-McArdle BMR Calculator
- Kinetic Energy Calculator
- L/100km Fuel Consumption Calculator
- LCM Calculator
- Lean Body Mass Calculator
- Lifetime Earnings Projection
- Linear Function Plotter (y = mx + b)
- Loan Affordability Calculator
- Loan Amortization Schedule Calculator
- Loan Calculator
- Logarithm Calculator
- Love Compatibility Calculator
- MPG Calculator
- Macro Split Calculator
- Marathon Time Predictor
- Markup Calculator
- Max Heart Rate Calculator
- Midpoint Calculator
- Modulo Calculator
- Molarity Calculator
- Mortgage Calculator
- Mortgage Payoff Chart
- Net Worth Calculator
- Net Worth Projection Calculator
- Nth Root Calculator
- Ohm's Law Calculator
- One-Rep Max Calculator
- Oven Temperature Converter
- Overtime Pay Calculator
- Ovulation & Fertile Window Calculator
- Pack-Years Calculator
- Paint Calculator
- Percentage Calculator
- Percentage Change Calculator
- Percentage of Total Calculator
- Permutation Calculator (nPr)
- Pet BMI Calculator
- Pizza Dough Calculator
- Population Growth Calculator
- Potential Energy Calculator (PE = mgh)
- Power Calculator
- Power Calculator (P = W/t)
- Pregnancy Due Date Calculator
- Pregnancy Week Calculator
- Present Value Calculator
- Prime Number Checker
- Profit Margin Calculator
- Projectile Motion Calculator
- Pythagorean Theorem Calculator
- Quadratic Equation Solver
- Quadratic Function Plotter (ax² + bx + c)
- ROI Calculator
- Ratio Simplifier
- Recipe Scaler
- Rectangle Perimeter Calculator
- Refinance Break-Even Calculator
- Rent Affordability Calculator
- Rent Increase Projection Calculator
- Rent vs. Buy Calculator
- Retirement Savings Projection
- Roth IRA Growth Calculator
- Rounding Calculator
- Rule of 72 Calculator
- Rule of 72 Calculator
- Running Pace Calculator
- Running Pace Progression Calculator
- Salary Growth Projection Calculator
- Salary to Hourly Calculator
- Sales Tax Calculator
- Savings Goal Calculator
- Savings Goal Timeline Calculator
- Savings Rate Calculator
- Simple Interest Calculator
- Simple vs Compound Interest Comparison
- Sine Wave Calculator & Plotter
- Sleep Cycle Bedtime Calculator
- Sleep Debt Calculator
- Slope Calculator
- Smoking Cost Calculator
- Solar Panel Payback Calculator
- Speed, Distance & Time Calculator
- Sphere Volume Calculator
- Step Goal Calorie Calculator
- Steps to Calories Calculator
- Subscription Cost Calculator
- Sum Calculator
- TDEE Calculator
- Take-Home Pay Calculator
- Target Heart Rate Zones Calculator
- Tile Calculator
- Tip Calculator
- Triangle Area Calculator
- Unit Price Calculator
- VO2 Max Calculator (15-Minute Run)
- Waist-to-Height Ratio Calculator
- Waist-to-Hip Ratio Calculator
- Water Bill Estimator
- Water Usage Cost Calculator
- Wavelength & Frequency Calculator (c = fλ)
- Weight Loss Timeline Calculator
- Weight Loss Timeline Calculator
- Work Calculator (W = Fd·cosθ)
- pH Calculator
Converter (98)
Category page →- AWG Wire Gauge Converter
- Acceleration Converter
- Acres to Hectares
- Acres to Square Feet
- Angle Converter
- Area Converter
- Bar to PSI
- Binary to Decimal
- Binary to Hex
- Bra Size Converter
- Bytes to Kilobytes
- Celsius to Fahrenheit
- Celsius to Kelvin
- Centimeters to Inches
- Cooking Volume Converter
- Cooking Weight Converter
- Cups to Milliliters
- Data Storage Converter
- Data Transfer Rate Converter
- Decimal to Binary
- Decimal to Hex
- Density Converter
- Digital Resolution Converter
- Drill Bit Size Converter
- Energy Converter
- Fahrenheit to Celsius
- Fahrenheit to Kelvin
- Feet to Inches
- Feet to Meters
- Fluid Ounces to Milliliters
- Force Converter
- Frequency Converter
- Fuel Economy Converter
- Gallons to Liters
- Gigabytes to Megabytes
- Gigabytes to Terabytes
- Glove Size Converter
- Grams to Ounces
- Grams to Pounds
- Hat Size Converter
- Hectares to Acres
- Hex to Decimal
- Horsepower to Kilowatts
- Illuminance Converter
- Inches to Centimeters
- Inches to Feet
- Inches to Millimeters
- Jewelry Gauge Converter
- KM/H to MPH
- Kelvin to Celsius
- Kilobytes to Megabytes
- Kilograms to Pounds
- Kilograms to Stone
- Kilometers to Miles
- Kilowatts to Horsepower
- Knots to MPH
- Length Converter
- Liters to Gallons
- Liters to Milliliters
- MPH to KM/H
- Megabits to Megabytes
- Megabytes to Gigabytes
- Men's Shoe Size Converter
- Meters per Second to KM/H
- Meters to Feet
- Meters to Yards
- Metric Tons to Kilograms
- Miles to Kilometers
- Miles to Meters
- Milliliters to Fluid Ounces
- Millimeters to Inches
- Monitor PPI Calculator
- Number Base Converter
- Ounces to Grams
- PSI to Bar
- Paper Size Converter
- Pints to Liters
- Pounds to Grams
- Pounds to Kilograms
- Power Converter
- Pressure Converter
- Ring Size Converter
- Sandpaper Grit Guide
- Speed Converter
- Square Feet to Square Meters
- Square Meters to Square Feet
- Stone to Kilograms
- TV Size Calculator
- TV Viewing Distance Calculator
- Temperature Converter
- Time Converter
- Tire Size Converter
- Torque Converter
- Volume Converter
- Weight Converter
- Women's Clothing Size Converter
- Women's Shoe Size Converter
- Yards to Meters
Time (12)
Category page →- Add Time Calculator
- Countdown Timer
- Day of Year Calculator
- Days Until Date Calculator
- Meeting Planner — Best Time Across Time Zones
- Stopwatch — Online with Lap Times
- Time Duration Between Two Times
- Timezone Converter
- Unix Timestamp Converter
- Week Number Calculator
- World Clock — Live Time in Major Cities
- World Time Zones — Convert Any Time Instantly
Text (32)
Category page →- Alternating Case Converter
- Binary to Text
- CamelCase Converter
- Capitalize First Letter of Each Sentence
- Character Counter
- Count Occurrences of a Word
- Count Unique Words
- Count Vowels and Consonants
- Extract Numbers from Text
- Find and Replace Text
- Kebab Case Converter
- Line Counter
- Lowercase Converter
- Palindrome Checker
- Paragraph Counter
- ROT13 Encoder / Decoder
- Reading Time Calculator
- Remove Duplicate Lines
- Remove Extra Spaces
- Remove Line Breaks
- Remove Punctuation
- Reverse Text
- Reverse Word Order
- Sentence Counter
- Slugify Text
- Snake Case Converter
- Sort Lines Alphabetically
- Text Repeater
- Text to Binary
- Title Case Converter
- Uppercase Converter
- Word Counter
Generator (58)
Category page →- ASCII Code to Text Converter
- Advanced Random Number Generator
- Baby Name Generator
- Band Name Generator
- Base64 Decoder
- Base64 Encoder
- Brand Name Generator
- Business Name Generator
- Bytes to Human Readable Converter
- Character Name Generator
- Coin Flip
- Coin Flip Simulator
- D&D Dice Roller
- Date to Unix Epoch Converter
- Decision Maker
- Dice Roller
- Fantasy Name Generator
- Gamertag Generator
- HTML Entity Decoder
- HTML Entity Encoder
- Hex to RGB Color Converter
- JSON Minifier
- JSON Validator
- JWT Payload Decoder
- Lines of Code Counter
- List Randomizer & Shuffler
- Lottery Number Generator
- Magic 8-Ball
- Passphrase Generator
- Password Generator
- Pet Name Generator
- Query String to JSON Converter
- RGB to Hex Color Converter
- Random Date Generator
- Random Emoji Generator
- Random Hex Color Generator
- Random Letter Generator
- Random Number Generator
- Random PIN Generator
- Random String Generator
- Random Team Generator
- Random Team Picker
- Rapper Name Generator
- Regex Special Character Escaper
- Secret Santa Generator
- Secure Password Generator
- String Byte Length Calculator
- Superhero Name Generator
- Team Name Generator
- Text to ASCII Code Converter
- URL Decoder
- URL Encoder
- URL Slug Generator (Slugify)
- UUID v4 Generator
- Unix Epoch to Date Converter
- Username Generator
- Whitespace Remover & Text Minifier
- Yes or No Generator
Device (28)
Category page →- Am I Online
- Battery Status
- Browser Accessibility Settings Detector
- Browser Language Detector
- Browser Notification Tester
- Clipboard Read & Write Tester
- Color Picker — HEX, RGB, HSL
- Cookie & Storage Support Checker
- Dark Mode Detector
- Device Info
- Do Not Track Status & Privacy Settings
- EXIF Viewer — Image Metadata
- Fullscreen API Tester
- Keyboard Tester
- Live Mouse Position Tracker
- Live Scroll Position & Page Size
- Microphone Test — Live Volume Meter
- Touch & Multi-Touch Tester
- Vibration API Tester
- Webcam Test — Check Your Camera Online
- What Browser Am I Using
- What GPU Do I Have
- What Is My Connection Speed & Signal
- What Is My IP Address
- What Is My Location
- What Is My Screen Resolution
- What Is My Timezone
- What Is My User Agent
Game (30)
Category page →- 2048
- Aim Trainer
- Breakout
- Click Speed Test
- Color Match Game — Stroop Test
- Connect Four
- Dots and Boxes — 2 Player Strategy Game
- Flappy Bird
- Hangman — Word Guessing Game
- Lights Out Puzzle Game
- Mastermind — Color Code Guessing Game
- Maze — Random Maze Generator & Navigator
- Memory Match
- Memory Number Recall
- Memory Sequence — Number Pattern Game
- Minesweeper
- Number Guessing Game
- Pong
- Quick Math Game
- Reaction Time Test
- Rock Paper Scissors
- Simon Says — Color Sequence Memory Game
- Sliding Puzzle — 15-Puzzle Game
- Snake
- Sudoku Puzzle Game — Play Online
- Tetris
- Tic-Tac-Toe
- Typing Speed Test
- Whack-a-Mole Game
- Word Scramble — Unscramble the Word Game