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Unit Converter

ConversionOffline-ready

Unit Converter converts between metric and imperial measurements across five categories: length (mm to miles), weight (grams to pounds), area (square metres to acres), volume (litres to gallons), and speed (km/h to mph). All units in a category update simultaneously as you type in any field. Useful for cooking, construction, travel, and scientific work. Runs entirely in your browser.

Related: TempBaseByte Converter

Unit converter — length, weight, area, volume, speed

Converts between metric and imperial units across multiple categories. The metric system (SI) is the international standard used in science and most countries. Imperial/US customary units (inches, pounds, gallons, mph) are still used in the United States and some other contexts.