◩ CONVERTERS Updated July 25, 2026

Length Converter

Metric and imperial length conversion in one place.

Value
From
To
Result
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How it works

Every length is converted through a metric base of one meter, so any pair of units can be combined without stacking rounding errors.

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Frequently asked questions

Is the conversion exact?

Imperial units use their exact legal definitions, for example 1 inch = 25.4 mm, so results are exact to the displayed precision.

Can I convert very small values?

Yes. Millimeters, micrometers and nanometers are all supported.

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