Convert Kilometers per Hour to Miles per Hour

Kilometers per Hour (Kilometres / hour) to Miles per Hour (Miles / hour) — the formula, a worked example and a live converter, all in your browser.

Kilometers per Hour to Miles per Hour formula

To convert a measurement, multiply it by the fixed factor below:

Miles / hour = Kilometres / hour × 0.6213711927

Worked example

1 Kilometres / hour = 1 × 0.6213711927 = 0.6213711927 Miles / hour.

Kilometers per Hour to Miles per Hour conversion table

Kilometers per Hour (Kilometres / hour)Miles per Hour (Miles / hour)
1 0.6213711927
5 3.106855964
10 6.213711927
25 15.53427982
50 31.06855964
100 62.13711927

Common uses

Common for reading speed limits and car speedometers when driving between metric and imperial countries.

Related conversions

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Frequently asked questions

What is the formula to convert kilometers per hour to miles per hour?

Multiply the number of kilometers per hour by 0.6213711927 to get miles per hour (Miles / hour = Kilometres / hour × 0.6213711927).

How many miles per hour are in a kilometers per hour?

One kilometers per hour equals 0.6213711927 miles per hour.

Is this converter accurate?

Yes. It uses the exact internationally-defined conversion factors and runs entirely in your browser, so results match standards tables and nothing you type is uploaded.