Convert Miles Per Hour to Kilometers Per Second

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

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Results in Kilometers Per Second:
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1 mph = 0.000447 km/sec

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

Speedometers are used in vehicles to measure speed

Convert miles per hour to kilometers per second with this simple formula:

kilometers per second = miles per hour × 0.000447

Converting a mile per hour speed measurement to a kilometer per second measurement involves multiplying your speed by the conversion ratio to find the result. A mile per hour is equal to 0.000447 kilometers per second, so to convert simply multiply by 0.000447.

For example:
5 mph = (5 × 0.000447) = 0.002235 km/sec

Miles per hour and kilometers per second 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 1 mph. A kilometer per second is a metric measurement and can be abbreviated as km/sec, for example 1 km/sec. Learn more about the metric system, including the common unit prefixes and how to convert between metric units.

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

Mile Per Hour Measurements and Equivalent Kilometer Per Second Conversions

Common mile per hour values converted to the equivalent kilometer per second value
Miles Per Hour Kilometers Per Second
1 mph 0.000447 km/sec
2 mph 0.000894 km/sec
3 mph 0.001341 km/sec
4 mph 0.001788 km/sec
5 mph 0.002235 km/sec
6 mph 0.002682 km/sec
7 mph 0.003129 km/sec
8 mph 0.003576 km/sec
9 mph 0.004023 km/sec
10 mph 0.00447 km/sec
11 mph 0.004917 km/sec
12 mph 0.005364 km/sec
13 mph 0.005812 km/sec
14 mph 0.006259 km/sec
15 mph 0.006706 km/sec
16 mph 0.007153 km/sec
17 mph 0.0076 km/sec
18 mph 0.008047 km/sec
19 mph 0.008494 km/sec
20 mph 0.008941 km/sec
21 mph 0.009388 km/sec
22 mph 0.009835 km/sec
23 mph 0.010282 km/sec
24 mph 0.010729 km/sec
25 mph 0.011176 km/sec
26 mph 0.011623 km/sec
27 mph 0.01207 km/sec
28 mph 0.012517 km/sec
29 mph 0.012964 km/sec
30 mph 0.013411 km/sec
31 mph 0.013858 km/sec
32 mph 0.014305 km/sec
33 mph 0.014752 km/sec
34 mph 0.015199 km/sec
35 mph 0.015646 km/sec
36 mph 0.016093 km/sec
37 mph 0.01654 km/sec
38 mph 0.016988 km/sec
39 mph 0.017435 km/sec
40 mph 0.017882 km/sec

More Speed Conversions

Convert to Knots Speed
1 mph is equal to 0.868976 knots
Convert to Mach Speed
1 mph is equal to 0.001303 mach
Convert to Speed Of Sound Speed
1 mph is equal to 0.001303 speed of sound
Convert to Feet Per Second Speed
1 mph is equal to 1.466667 feet per second
Convert to Kilometers Per Hour Speed
1 mph is equal to 1.609344 kilometers per hour
Convert to Meters Per Second Speed
1 mph is equal to 0.44704 meters per second
Convert to Centimeters Per Second Speed
1 mph is equal to 44.704 centimeters per second