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Convert length, weight, temperature, volume, and more.
Convert between metric and imperial units across length, mass, temperature, volume, area, speed, digital storage, and time. Enter a value and instantly see it in every unit in that category — all in your browser.
Runs entirely in your browser — nothing is uploaded.
Both metric and imperial (US) units are included in each category, so you can convert in either direction.
Celsius, Fahrenheit, and Kelvin use proper offset formulas, not simple ratios, so conversions are exact.