1 kilometer per hour = 0.621371 miles per hour

Convert kilometers per hour to miles per hour.

Both directions on one page — swap the units and the whole thing runs backwards.

Speed

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Every unit at once 11 units

The formula

mph = km/h × 0.621371

Worked through with a real value: 10 kilometers per hour = 6.21371 miles per hour.

Going the other way: km/h = mph × 1.60934, so 1 mile per hour = 1.60934 kilometers per hour.

What each unit is

kilometer per hour km/h
How many kilometres are covered each hour, the standard road speed unit nearly everywhere outside the USA and UK.
mile per hour mph
How many miles are covered each hour, used for road speeds in the USA, UK, and a few other countries.

Conversion tables

kilometers per hour to miles per hour
kilometers per hour (km/h) miles per hour (mph)
1 0.621371
2 1.24274
3 1.86411
4 2.48548
5 3.10686
6 3.72823
7 4.3496
8 4.97097
9 5.59234
10 6.21371
20 12.4274
25 15.5343
50 31.0686
75 46.6028
100 62.1371
miles per hour to kilometers per hour
miles per hour (mph) kilometers per hour (km/h)
1 1.60934
2 3.21869
3 4.82803
4 6.43738
5 8.04672
6 9.65606
7 11.2654
8 12.8748
9 14.4841
10 16.0934
20 32.1869
25 40.2336
50 80.4672
75 120.701
100 160.934

Questions

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

1 kilometer per hour = 0.621371 miles per hour.

How do I convert kilometers per hour to miles per hour?

Use mph = km/h × 0.621371. For example, 10 kilometers per hour = 6.21371 miles per hour.

How many kilometers per hour are in one mile per hour?

1 mile per hour = 1.60934 kilometers per hour.

What is 10 kilometers per hour in miles per hour?

10 kilometers per hour = 6.21371 miles per hour.

More speed conversions All speed units →
knots to miles per hour kn → mph meters per second to kilometers per hour m/s → km/h miles per hour to meters per second mph → m/s knots to kilometers per hour kn → km/h feet per second to miles per hour ft/s → mph Mach to miles per hour Ma → mph

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