Length Converter

Convert common metric and imperial length units accurately.

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All calculations run locally in your browser. No data is stored.

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Uses exact international definitions, including 1 inch = 0.0254 meter and 1 mile = 1,609.344 meters.

Frequently asked questions

Are inch and foot conversions exact?

Yes. One inch is exactly 0.0254 meter, and one foot is exactly 0.3048 meter.

How many meters are in a mile?

One international mile is exactly 1,609.344 meters.