Unit Converter

Convert between metric and imperial units for length, weight, volume, area and speed.

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How to use the Unit Converter

Select a category (Length, Weight, Volume, Area or Speed), choose the units you want to convert from and to, then type a value. The result updates instantly.

Metric vs imperial units

Most of the world uses the metric system (metres, kilograms, litres). The United States, Myanmar and Liberia still primarily use the imperial system (feet, pounds, gallons). This converter handles both, letting you move freely between them.

Precision

Results are shown to up to 8 significant figures. For scientific or engineering use, verify precision requirements against the exact conversion factor needed.