mph to km/h Converter

Convert miles per hour (mph) to kilometers per hour (km/h) using the exact factor.

1 mph = 1.609344 km/h

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30 mph to km/h 55 mph to km/h 60 mph to km/h 65 mph to km/h 70 mph to km/h 80 mph to km/h 100 mph to km/h

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Formula

km/h = mph × 1.609344

Example

To convert 60 mph to km/h:

60 mph × 1.609344 = 96.56064 kmh

Conversion table

mph km/h
10 mph16.09344 kmh
20 mph32.18688 kmh
30 mph48.28032 kmh
50 mph80.4672 kmh
60 mph96.56064 kmh
70 mph112.65408 kmh
80 mph128.74752 kmh

Explanation

Miles per hour are common in the US and UK. Kilometers per hour are used in most other countries. The conversion is linear: 1 mph = 1.609344 km/h.

How to convert mph to km/h

  1. Take the value in mph.
  2. Multiply by 1.609344.
  3. The result is the length in kmh.

Example: 70 mph → 112.65408 kmh.

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