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Length, weight, temperature, volume, energy. Type a number and pick the unit.
Tap any card to open its calculator page.
Convert between Celsius, Fahrenheit, and Kelvin temperature scales
Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles
Convert between milligrams, grams, kilograms, tonnes, ounces, pounds, and stones
Convert between seconds, minutes, hours, days, weeks, months, and years
Convert between milliliters, liters, cubic meters, teaspoons, tablespoons, fluid ounces, cups, pints, quarts, and gallons
Convert between joules, kilojoules, calories, kilocalories, watt-hours, kilowatt-hours, BTU, and electron volts
Convert between degrees, radians, and gradians
Convert between miles per gallon, liters per 100km, and kilometers per liter
Calculate cubic feet from length, width, and height and convert to cubic meters, yards, and gallons
Convert kilograms to pounds, ounces, grams, and stones
Convert millimeters to inches, feet, centimeters, and meters
Convert Celsius to Fahrenheit and Kelvin with a single input
Convert kilometers to miles, meters, feet, and nautical miles
Convert fluid ounces to milliliters, liters, tablespoons, and cups
Convert decimal numbers to binary, octal, or hexadecimal
Convert between bits, bytes, kilobytes, megabytes, gigabytes, terabytes, and petabytes
Convert between major world currencies using approximate fixed exchange rates
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