miles per hour-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.

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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	[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:
?

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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 hour	kilometre per hour
0	0
10	16.09344
20	32.18688
30	48.28032
40	64.37376
50	80.4672
60	96.56064
70	112.65408
80	128.74752
90	144.84096
100	160.9344
110	177.02784

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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:
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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.

← Back to Speed units

	×10		[mph]