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Convert Miles to Kilometres (mi to km)

Convert miles to kilometres instantly – one mile is exactly 1.609344 km.

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Result –

Runs in your browser – your data never leaves your device Also available via our free API

Conversion table: Miles (mi) to Kilometres (km)

Miles (mi) Kilometres (km)
1 1.6093
2 3.2187
3 4.828
5 8.0467
10 16.0934
15 24.1402
20 32.1869
25 40.2336
50 80.4672
75 120.7008
100 160.9344
250 402.336
500 804.672
1,000 1,609.344

How to use the Miles to Kilometres

  1. 1 Choose a category, such as length or temperature.
  2. 2 Enter the value and pick the unit to convert from and to.
  3. 3 Read the result; use the ⇄ button to swap the units.

Formula

kilometres = miles × 1.609344

Quick estimate: multiply by 1.6 – 50 miles is about 80 km (exactly 80.47).

Speed limits

The same factor converts speeds: 30 mph ≈ 48 km/h, 60 mph ≈ 97 km/h and 70 mph ≈ 113 km/h. Use the speed category of the unit converter to convert mph to km/h directly.

Statute vs. nautical miles

This converts statute (land) miles. A nautical mile, used at sea and in aviation, is longer: exactly 1.852 km.

Frequently asked questions

How many km is 1 mile?

Exactly 1.609344 km.

How many km is 100 miles?

100 miles is 160.93 km.

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