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Kilometers to Miles

Convert kilometers to miles instantly, with a reference table.

Kilometers to Miles at a glance

Kilometers to Miles is a free online converter you can use right now to convert kilometers to miles instantly, with a reference table โ€” no account, no install and no usage limit. It runs entirely inside your browser, so whatever you enter stays on your own device.

Price
Free โ€” no trial, no paid tier, no watermark
Sign-up
Not required
Where it runs
In your browser โ€” nothing is uploaded to a server
Works on
Chrome, Safari, Firefox and Edge โ€” desktop, tablet and phone
Category
Unit Conversions
0.621371
1 km = 0.621371 mi

Kilometers to Miles conversion table

Kilometers (km)Miles (mi)
1 km0.621371 mi
2 km1.242742 mi
3 km1.864114 mi
5 km3.106856 mi
10 km6.213712 mi
25 km15.53428 mi
50 km31.06856 mi
100 km62.137119 mi
500 km310.6856 mi
1000 km621.37119 mi

About Kilometers to Miles

Convert kilometers to miles instantly, with a reference table of common values. The factor is exact: 1 km = 0.621371192 mi.

The conversion for reading distances abroad: a European or Asian road sign, a race distance, or a car's fuel range quoted in kilometres when you think in miles.

The kilometre is one thousand metres, introduced with the metric system as a practical unit for the distances between places rather than within them. It is the standard road-distance unit almost everywhere outside the United States and the United Kingdom, and the standard unit for running and cycling distances internationally. A brisk walk covers about 5 km in an hour, and a marathon is 42.195 km.

Worked through with real numbers: 1 km is 0.621371 mi, 10 km is 6.214 mi, 100 km is 62.137 mi.

As for the other side of the conversion: A mile is a comfortable 15 to 20 minute walk, and a marathon is 26.2 miles.

Length conversions between metric and imperial are exact by definition rather than approximate. The 1959 international yard and pound agreement fixed the inch at precisely 2.54 cm and the yard at 0.9144 m, so these factors are definitions and carry no measurement error.

How to use Kilometers to Miles

  1. Enter the number of kilometers you want to convert.
  2. The equivalent in miles appears instantly โ€” there is no button to press.
  3. Check the reference table for common Kilometers to Miles values.

Frequently asked questions

How do I convert kilometers to miles?

Multiply your kilometers figure by 0.621371192 to get miles โ€” or type a value above and read the answer straight off.

How many miles are in one kilometer?

1 km = 0.621371192 mi.

When would I need to convert kilometers to miles?

The conversion for reading distances abroad: a European or Asian road sign, a race distance, or a car's fuel range quoted in kilometres when you think in miles.

What is a kilometer, exactly?

The kilometre is one thousand metres, introduced with the metric system as a practical unit for the distances between places rather than within them. A brisk walk covers about 5 km in an hour, and a marathon is 42.195 km.

Where is the mile actually used?

It is the road-distance unit of the United States and the United Kingdom, which is why British road signs give miles while almost everything else in Britain is metric. A mile is a comfortable 15 to 20 minute walk, and a marathon is 26.2 miles.

Is there anything tricky about length conversions?

Length conversions between metric and imperial are exact by definition rather than approximate. The 1959 international yard and pound agreement fixed the inch at precisely 2.54 cm and the yard at 0.9144 m, so these factors are definitions and carry no measurement error.

Is this converter accurate?

Yes. It uses the exact standard factor of 1 km = 0.621371192 mi, and the conversion runs in your browser so nothing is uploaded.

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