Length Converter

Convert millimeters, centimeters, meters, inches, feet, and miles.

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Frequently asked questions

Length input and units

Millimetres, centimetres, metres, kilometres, inches, feet, yards and miles are supported. One inch is 25.4 mm. Choose decimal input or compound feet and inches.

Compound input and precision

Feet must be whole numbers and inches must be at least 0 and below 12. The sign on feet applies to the whole length.

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