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Units & converters

Length converter

Convert lengths from millimetres to kilometres, as well as inches, feet, yards, international miles and nautical miles.

Free & no registration Calculated in your browser
01

Your inputs

The starting values are an example.

Decimals: 12.5 · Thousands: 1,234.56. Follow the field instructions for lists.

02

Your result

Enter your values and select Calculate.

Your calculation will appear here.

Your result will include the relevant values and units.

Understand the calculation

Formula and example

How it is calculated

Converted value = original value × source factor / target factor

Worked example

100 Centimetre (cm) = 1 Metre (m).

Things to check

  • The international mile is exactly 1,609.344 metres. The nautical mile is a separate unit.
  • Rounding is applied only to displayed results. Very small or very large values may appear in scientific notation.

Sources and references