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free unit converter

Unit Converter

Convert common length and distance units without searching through a conversion table.

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Enter your values, then calculate.

Inputs stay in this browser. We record only an anonymous “tool used” event, never your values.

How it works

The converter first normalises the input to metres, then divides by the target unit’s value in metres. For example, one mile is 1,609.344 metres.

Three practical tips

  • Keep more decimal places for engineering work.
  • Round only the final result to avoid compounding errors.
  • Use the iPhone app for temperature, weight, volume and specialist conversions.

Which length units are supported here?

Metres, kilometres, miles, feet and inches. UtiliMate includes a much broader conversion library.