Free Calculators and Unit Converters

Fast, private, no signup. Convert units, calculate finance, cooking, fitness and more.

Browse categories

Length & Distance — Convert inches, feet, miles, meters, kilometers and more
Weight & Mass — Convert pounds, kilograms, ounces, grams and more
Volume & Cooking — Convert cups, tablespoons, liters, gallons and cooking measures
Area — Convert square feet, square meters, acres and hectares
Temperature — Convert Fahrenheit, Celsius and Kelvin
Speed & Pace — Convert mph, km/h, knots, and running pace
Data & Media — Convert bytes, bandwidth, DPI and aspect ratios
Time & World — Time zone converter, meeting planner and DST checker
Currency & Fees — Currency converter, tip calculator, tax and discount tools
Energy & Power — Convert kWh, joules, watts, kilowatts, calories and kilojoules
Pressure — Convert PSI, bar, kPa and atmospheres
Clothing & Shoe Sizes — Convert US, UK, EU shoe and clothing sizes
Angles — Convert between degrees and radians
Fitness & Nutrition — TDEE, BMR, macros, 1RM, running pace and calorie tools
Student Calculators — GPA, grade calculators, study planner and reading time
Home & Setup Fit — TV sizing, rug fit, paint estimator and furniture tools
Fun & Food — Pizza size calculators for adults and kids
Cooking & Baking — Recipe scaler, oven temperatures, and baking conversions
Finance & Investing — Loan EMI, mortgage, compound interest and salary calculators
Gas & Fuel — MPG, L/100km, km/L conversions and trip fuel cost estimator
Construction & DIY — Concrete, mulch, lumber and tile estimators for projects
Electrical — Volts, amps, watts calculator, kW to HP, and cord sizing
Weather — Wind chill, heat index and dew point calculators
Automotive — Tire size comparison, speedometer error, and torque conversion
Cryptocurrency — Live crypto to USD converter for top 10 cryptocurrencies
Language & Text — Word count, character counter, reading time and case converter
Translation — Translate English text to Spanish, Hindi and more
Document Tools — Convert Word documents to PDF and more
Science & Chemistry — Molar mass, concentration and pH calculators for students
Sports Equipment Sizing — Find the right equipment size for any age group
Math — Solve proportions, ratios and everyday math problems

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