Unit Converter
Convert length, weight, temperature, volume, area, speed and data — pick a category, choose your units, and read the result live.
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A multi-category unit converter
Choose a category, pick the units you are converting between, and type a value — the result updates live. Most categories convert by scaling to a common base unit (for example metres for length, grams for mass, bytes for data) and then back out to the target. Temperature is handled with its own formulas, since Celsius, Fahrenheit and Kelvin do not share a simple factor.
The data category uses decimal SI units (1 kB = 1000 bytes) for the metric steps. Everything runs in your browser with no upload, so it is fast and works offline once loaded.