Convert Miles Per Hour to Kilometers Per Hour

Enter your mile per hour value in the form below to get the value calculated in kilometers per hour.

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Results in Kilometers Per Hour:
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1 mph = 1.609344 km/h

How to Convert Miles Per Hour to Kilometers Per Hour Using an Easy Conversion Formula

Speedometers are used in vehicles to measure speed
Convert miles per hour to kilometers per hour with this simple formula:
kilometers per hour = miles per hour × 1.609344

Converting a mile per hour speed measurement to a kilometer per hour measurement involves multiplying your speed by the conversion ratio to find the result. A mile per hour is equal to 1.609344 kilometers per hour, so to convert simply multiply by 1.609344.

For example:
5mph = (5 × 1.609344) = 8.04672km/h

Miles per hour and kilometers per hour are both units used to measure speed. Learn more about speed and find more speed measurement conversion calculators. A mile per hour is an imperial measurement and can be abbreviated as mph, for example 1mph. A kilometer per hour is a metric measurement and can be abbreviated as km/h, for example 1km/h. Learn more about the metric system, including the common unit prefixes and how to convert between metric units.

miles per hour and kilometers per hour are units used to measure speed
Convert Kilometers Per Hour to Miles Per Hour

Mile Per Hour Measurements and Equivalent Kilometer Per Hour Conversions

Common mile per hour values converted to the equivalent kilometer per hour value
Miles Per Hour Kilometers Per Hour Miles Per Hour Kilometers Per Hour Miles Per Hour Kilometers Per Hour
1 1.6093 21 33.8 41 65.98
2 3.2187 22 35.41 42 67.59
3 4.828 23 37.01 43 69.2
4 6.4374 24 38.62 44 70.81
5 8.0467 25 40.23 45 72.42
6 9.6561 26 41.84 46 74.03
7 11.27 27 43.45 47 75.64
8 12.87 28 45.06 48 77.25
9 14.48 29 46.67 49 78.86
10 16.09 30 48.28 50 80.47
11 17.7 31 49.89 51 82.08
12 19.31 32 51.5 52 83.69
13 20.92 33 53.11 53 85.3
14 22.53 34 54.72 54 86.9
15 24.14 35 56.33 55 88.51
16 25.75 36 57.94 56 90.12
17 27.36 37 59.55 57 91.73
18 28.97 38 61.16 58 93.34
19 30.58 39 62.76 59 94.95
20 32.19 40 64.37 60 96.56

More Speed Conversions

Convert to Knots Speed
1mph is equal to 0.868976 knots
Convert to Mach Speed
1mph is equal to 0.001303 mach
Convert to Speed Of Sound Speed
1mph is equal to 0.001303 speed of sound
Convert to Feet Per Second Speed
1mph is equal to 1.466667 feet per second
Convert to Kilometers Per Second Speed
1mph is equal to 0.000447 kilometers per second
Convert to Meters Per Second Speed
1mph is equal to 0.44704 meters per second
Convert to Centimeters Per Second Speed
1mph is equal to 44.704 centimeters per second