Miles per hour to Kilometers per hour Converter

Convert miles per hour to kilometers per hour (mph to km/h) instantly. 1 mile per hour = 1.609344 km/h. Includes the formula and a conversion table.

km/h = mph × 1.609344

How to convert miles per hour to kilometers per hour

km/h = mph × 1.609344

One mile per hour equals 1.609344 km/h, so multiply the value in miles per hour by 1.609344. Example: 10 mph = 16.09344 km/h.

One knot is one nautical mile (1,852 m) per hour. One mile per hour is exactly 0.44704 m/s.

Miles per hour to kilometers per hour conversion table

Miles per hour (mph)Kilometers per hour (km/h)
1 mph1.609344 km/h
2 mph3.218688 km/h
3 mph4.828032 km/h
5 mph8.04672 km/h
10 mph16.09344 km/h
15 mph24.14016 km/h
20 mph32.18688 km/h
25 mph40.2336 km/h
50 mph80.4672 km/h
75 mph120.7008 km/h
100 mph160.9344 km/h
250 mph402.336 km/h
500 mph804.672 km/h
1,000 mph1,609.344 km/h

More speed conversions

Kilometers per hour to miles per hour Meters per second to miles per hourKilometers per hour to meters per secondKilometers per hour to miles per hourKilometers per hour to knotsMiles per hour to meters per secondMiles per hour to knotsKnots to miles per hour All speed units

Frequently asked questions

How many kilometers per hour are in 1 mile per hour?

1 mile per hour is equal to 1.609344 km/h.

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

Multiply the number of miles per hour by 1.609344. For example, 10 mph × 1.609344 = 16.09344 km/h.

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

Use the formula mph = km/h × 0.6213711922, or open the kilometers per hour to miles per hour converter.

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