Unit Converters

Recipes, product specs, travel plans and technical documents all mix metric and imperial units. These converters show every unit at once, so you type a value a single time and read off the one you need.

Use the Length, Weight, Speed and Temperature converters for everyday measurements, and the Data Storage Converter when you need to compare file sizes, disk capacity or bandwidth figures given in bits, bytes, megabytes or terabytes.

Data Storage Converter

Convert between bits, bytes, KB, MB, GB, TB and larger storage units.

Length Converter

Convert between metric and imperial lengths: mm, cm, m, km, inches, feet, miles and more.

Speed Converter

Convert speeds between km/h, mph, m/s, knots and other units.

Temperature Converter

Convert temperatures between Celsius, Fahrenheit, Kelvin and other scales.

Weight Converter

Convert weights between kilograms, pounds, ounces, stones and more.