Main features

Unit conversion, done properly.

14 unit categories

Length, area, volume, weight, temperature, storage, time, speed, pressure, energy, power, angle, frequency and data rate.

Metric and imperial together

Every category ships with the common units and handles metric and imperial automatically, and temperature covers Celsius, Fahrenheit and Kelvin.

One-click swap and copy

Press Enter for the result, then swap the units or copy the answer in one click, so you can keep converting without retyping.

Built-in reference table

The common conversion factors are always at hand, so you never have to remember the numbers.