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Kilometers to Miles Converter

Convert kilometers to miles, with the same distance in meters, feet and nautical miles.

What this tool does

Convert kilometers to miles, with the same distance in meters, feet and nautical miles. Type an amount in kilometers, choose the units, and the tool converts it to miles. It offers 5 length units and also shows the same amount in the others.

Inputs

  • Value: A number.
  • From: Choose one: Kilometer, Mile, Meter, Foot, Nautical mile (international). Starts as Kilometer.
  • To: Choose one of the same 5 units as "From". Starts as Mile.

How to use

  1. Enter the amount you want to convert.
  2. Choose the unit to convert from and the unit to convert to.
  3. Read the result: the converted amount and the same amount in the other units. It appears once every required field has a valid value.

Worked examples

Conversions from kilometers to miles:

  • 1 km ≈ 0.621371 mi
  • 5 km ≈ 3.106856 mi
  • 10 km ≈ 6.213712 mi
  • 50 km ≈ 31.06856 mi
  • 100 km ≈ 62.137119 mi

Multiply the number of kilometers by about 0.621371 to get miles. The factor follows from exact definitions. It has more digits than fit here, so it is shown rounded.

Sources: Kilometer: SI Brochure, 9th edition (2019, updated 2022), Table 7 (SI prefixes). Mile: International yard and pound agreement, 1959.

Limitations

  • Converts the unit of a length only. It does not work out a length from other measurements.
  • Uses international feet and miles, which are defined exactly in metric units.

FAQs

Q: How many miles are in one kilometer?
A: One kilometer is about 0.621371 mi. Enter any value and the converter scales it for you.
Q: How do I convert miles to kilometers?
A: Choose mile in the From box and kilometer in the To box. One mile is exactly 1.609344 km.
Q: Which mile is this?
A: The international statute mile, exactly 1.609344 kilometers. The nautical mile is listed separately.

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