Question 1

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

Accepted Answer

One mile per hour equals 1.609344 km/h. The formula is km/h = mph × 1.609344.

Question 2

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

Accepted Answer

Multiply the value in miles per hour by 1.609344. For example, 100 × 1.609344 = 160.9344 — so 100 mph = 160.9344 km/h.

Question 3

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

Accepted Answer

One kilometer per hour equals 0.621371 mph.

miles per hour to kilometers per hour

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