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

1 Miles per hour = 1.60934 Kilometers per hour (× 1.60934).

How accurate is this converter?

Results show 6 significant figures from exact definition factors; temperature uses formulas. Good enough for cooking, travel, and homework — not for certified trade.

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Mph to Km/h

Free miles per hour to kilometers per hour converter — answers as you type, with formula and cheat table. No signup.

Mph to Km/h — converter

Formula

1 mph = 1.60934 km/h

× 1.60934

Miles per hour to Kilometers per hour cheat table

Miles per hour (mph)	Kilometers per hour (km/h)
1	1.60934
2	3.21869
5	8.04672
10	16.0934
25	40.2336
50	80.4672
100	160.934
1000	1609.34

Mph to Km/h

Formula

Miles per hour to Kilometers per hour cheat table

FAQ

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

How accurate is this converter?

How do I convert back?