Popular Calculators
The world’s most used tools — trusted by millions every day
❤️BMI Calculator
Health
🔥BMR Calculator
Health
⚖️Ideal Weight Calculator
Health
📏Waist-Hip Ratio
Health
💪Body Fat Calculator
Health
🧬Body Surface Area
Health
💧Hydration Calculator
Health
🧒Child BMI
Health
🦴Body Frame
Health
🏋️Lean Body Mass
Health
🌬️Air Quality
Health
🍎Calorie Calculator
Fitness
🥗Macronutrients
Fitness
💪Body Fat %
Fitness
⚡TDEE Calculator
Fitness
🏋️♂️One Rep Max
Fitness
🥚Protein Calculator
Fitness
🔥Calorie Burn
Fitness
⏱️Pace Calculator
Fitness
🫁VO2 Max
Fitness
👶Due Date Calculator
Pregnancy
🌸Ovulation Calculator
Pregnancy
💞Conception Calculator
Pregnancy
📈Weight Gain
Pregnancy
📅Pregnancy Weeks
Pregnancy
🍼Baby Weight
Pregnancy
👶Fetal Development
Pregnancy
🍎Pregnancy Calories
Pregnancy
💳Loan Repayment
Finance
🏠Mortgage Calculator
Finance
📈Compound Interest
Finance
%Percentage Calculator
Finance
🌅Retirement Calculator
Finance
💼Investment Calculator
Finance
📅Date Difference
Math
📊Arithmetic Mean
Math
📐Area Calculator
Math
🧮Quadratic Equation
Math
➗Rule of Three
Math
🌡️Temperature
Converters
📏Length
Converters
⚖️Weight
Converters
🧴Volume
Converters
🏎️Speed
Converters
⏱️Time
Converters
⚡Energy
Converters
🔒Password Generator
Tech
📱QR Code Generator
Tech
{}JSON Formatter
Tech
🔍Regex Tester
Tech
🔑Base64 Tool
Tech
#️⃣Hash Generator
Tech
🔗URL Encoder
Tech
🎨Color Converter
Tech
💾Data Unit Converter
Tech
⏱️Big O Calculator
Tech
🇧🇷CPF/CNPJ Generator
Tech
✅CPF/CNPJ Validator
Tech
✨Text Style Generator
Tech
🔤Character Counter
Text
🅰️Case Converter
Text
🔄Reverse Text
Text
🧹Remove Duplicates
Text
🅰️➡️🅱️Alphabetical Sort
Text
🙃Upside Down
Text
✍️Fancy Fonts
Text
🧱Stacked Text
Text
📎Prefix/Suffix
Text
🔁Synonyms
Text
🔎Find & Replace
Text
🖼️➡️📄JPG to PDF
Files
📊CSV to XLSX
Files
📈XLSX to CSV
Files
📄➡️📝PDF to TXT
Files
🤖CSV to JSON
AI Tools
🧠JSON to JSONL
AI Tools
🗃️Parquet to CSV
AI Tools
🖼️JPG to PNG
AI Tools
📄CSV to TXT
AI Tools
⛽Fuel Efficiency
Vehicle
🛣️Miles to KM
Vehicle
🏎️KM/H to MPH
Vehicle
⛽Fuel Consumption
Vehicle
💰Trip Cost
Vehicle
🛢️Liters to Gallons
Vehicle
⚡Horsepower to kW
Vehicle
🔧Torque Converter
Vehicle
🚗Tire Pressure
Vehicle
🛣️Cost Per Mile
Vehicle
⛽Gas vs Ethanol
Vehicle
🔋Car Range
Vehicle
⚙️CC to Liters
Vehicle
🛡️Car Insurance
Vehicle
📉Car Depreciation
Vehicle
⛽Fuel Estimator
Vehicle
All Categories
Find the perfect tool for every need — from everyday math to advanced AI utilities
❤️
Health
BMI, BMR, Body Fat, Ideal Weight
💪
Fitness
Calories, TDEE, Macros, Body Fat
👶
Pregnancy
Due Date, Ovulation, Weight Gain
💰
Finance
Most UsedLoans, Mortgage, Investments, %
🧮
Math
Equations, Area, Date Difference
🔄
Converters
Temperature, Length, Weight, Speed
💻
Tech
Regex, JSON, QR Code, CPF, Hash
📝
Text
Counter, Case, Reverse, Fancy Fonts
📁
Files
PDF, JPG, CSV, XLSX converters
🤖
AI Tools
CSV/JSON, Parquet, Image converters
🚗
Vehicle
Fuel, Cost, Efficiency, Depreciation