Unit Converter

Convert length, weight, volume or temperature — see the value in every unit at once.

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How This Converter Works

Pick a category (Length, Weight, Volume or Temperature), enter a value and choose the unit you're converting from. The result shows that value converted into every other unit in the category at once, so you don't have to convert one unit at a time.

Frequently Asked Questions

What units are supported?+

Length: inches, feet, yards, miles, millimeters, centimeters, meters, kilometers. Weight: ounces, pounds, grams, kilograms, US tons, metric tons. Volume: US teaspoons, tablespoons, fluid ounces, cups, pints, quarts, gallons, milliliters, liters. Temperature: Fahrenheit, Celsius, Kelvin.

Why is temperature conversion different?+

Length, weight and volume convert by a fixed multiplier, but temperature scales don't share a zero point, so converting requires formulas like (°F − 32) × 5/9 = °C instead of simple multiplication.