# miles per hour to kilometre per hour conversion

Conversion number between miles per hour [mph] and kilometre per hour [km/h] is 1.609344. This means, that miles per hour is bigger unit than kilometre per hour.

### Contents [show][hide]

Switch to reverse conversion:
from kilometre per hour to miles per hour conversion

### Enter the number in miles per hour:

Decimal Fraction Exponential Expression
 [mph]
eg.: 10.12345 or 1.123e5

Result in kilometre per hour

?
 precision 0 1 2 3 4 5 6 7 8 9 [info] Decimal: Exponential:

### Calculation process of conversion value

• 1 miles per hour = (exactly) (0.44704) / ((1000/3600)) = 1.609344 kilometre per hour
• 1 kilometre per hour = (exactly) ((1000/3600)) / (0.44704) = 0.62137119223733 miles per hour
• ? miles per hour × (0.44704  ("m/s"/"miles per hour")) / ((1000/3600)  ("m/s"/"kilometre per hour")) = ? kilometre per hour

### High precision conversion

If conversion between miles per hour to metre-per-second and metre-per-second to kilometre per hour is exactly definied, high precision conversion from miles per hour to kilometre per hour is enabled.

Decimal places: (0-800)

miles per hour
Result in kilometre per hour:
?

### miles per hour to kilometre per hour conversion chart

 Start value: [miles per hour] Step size [miles per hour] How many lines? (max 100)

visual:
miles per hourkilometre per hour
00
1016.09344
2032.18688
3048.28032
4064.37376
5080.4672
6096.56064
70112.65408
80128.74752
90144.84096
100160.9344
110177.02784
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## Multiple conversion

Enter numbers in miles per hour and click convert button.
One number per line.

Converted numbers in kilometre per hour:
Click to select all

## Details about miles per hour and kilometre per hour units:

Convert Miles per hour to other unit:

### miles per hour

Definition of miles per hour unit: ≡ 1 mi / 3600 s = 1609.344 m / 3600 s. In American public life, this is the most commonly used speed unit. Cars speeds are measured in mpg. Interpretation: The speed at which the body moves 1 mile (or 1609.344 metres) in 1 hour.

Convert Kilometre per hour to other unit:

### kilometre per hour

Definition of kilometre per hour unit: ≡ 1 km / 3600 s. km/h in everyday life is the most commonly used speed unit (in Europe). Interpretation: The speed with which the body travels 1 kilometre in 1 hour. The number on traffic signs indicating speed limits is also in this unit of measure.

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