IconVault's Unit Converter turns any measurement into any other, instantly. Convert length (millimeters to miles), mass (milligrams to tons), temperature (Celsius, Fahrenheit, Kelvin), area, volume, speed, time and data with a single tap. Just type a value and pick your units.

Conversions use precise standard factors, and the whole tool runs fully in your browser so results are instant with no waiting on a server. It is free with no signup, perfect for cooking, DIY, schoolwork and travel.