Convert Miles Per Hour to Speed Of Light

Enter the speed in miles per hour below to get the value converted to speed of light.

Results in Speed Of Light:
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1 mph = 1.4912E-9 c

How to Convert Miles Per Hour to Speed Of Light

conversion scale showing miles per hour and equivalent speed of light speed values

To convert a mile per hour measurement to a speed of light measurement, multiply the speed by the conversion ratio. One mile per hour is equal to 1.4912E-9 speed of light, so use this simple formula to convert:

speed of light = miles per hour × 1.4912E-9

The speed in speed of light is equal to the miles per hour multiplied by 1.4912E-9.

For example, here's how to convert 5 miles per hour to speed of light using the formula above.
5 mph = (5 × 1.4912E-9) = 7.4558E-9 c

Miles per hour and speed of light are both units used to measure speed. Keep reading to learn more about each unit of measure.

Miles Per Hour

Miles per hour are a measurement of speed expressing the distance travelled in miles in one hour.

The mile per hour is a US customary and imperial unit of speed. Miles per hour can be abbreviated as mph, and are also sometimes abbreviated as mi/h or MPH. For example, 1 mile per hour can be written as 1 mph, 1 mi/h, or 1 MPH.

Miles per hour can be expressed using the formula:
vmph = dmithr

The velocity in miles per hour is equal to the distance in miles divided by time in hours.

Speed Of Light

The speed of light is equal to exactly 299,792,458 meters per second, or 670,616,629 miles per hour.

Speed of light can be abbreviated as c, for example 1 speed of light can be written as 1 c.

Mile Per Hour Measurements and Equivalent Speed Of Light Conversions

Common mile per hour values converted to the equivalent speed of light value
Miles Per Hour Speed Of Light
1 mph 0.0000000014912 c
2 mph 0.0000000029823 c
3 mph 0.0000000044735 c
4 mph 0.0000000059647 c
5 mph 0.0000000074558 c
6 mph 0.000000008947 c
7 mph 0.000000010438 c
8 mph 0.000000011929 c
9 mph 0.00000001342 c
10 mph 0.000000014912 c
11 mph 0.000000016403 c
12 mph 0.000000017894 c
13 mph 0.000000019385 c
14 mph 0.000000020876 c
15 mph 0.000000022367 c
16 mph 0.000000023859 c
17 mph 0.00000002535 c
18 mph 0.000000026841 c
19 mph 0.000000028332 c
20 mph 0.000000029823 c
21 mph 0.000000031314 c
22 mph 0.000000032806 c
23 mph 0.000000034297 c
24 mph 0.000000035788 c
25 mph 0.000000037279 c
26 mph 0.00000003877 c
27 mph 0.000000040261 c
28 mph 0.000000041753 c
29 mph 0.000000043244 c
30 mph 0.000000044735 c
31 mph 0.000000046226 c
32 mph 0.000000047717 c
33 mph 0.000000049208 c
34 mph 0.0000000507 c
35 mph 0.000000052191 c
36 mph 0.000000053682 c
37 mph 0.000000055173 c
38 mph 0.000000056664 c
39 mph 0.000000058155 c
40 mph 0.000000059647 c

More Mile Per Hour Speed Conversions

Convert to Knots
1 mph is equal to 0.868976 knots
Convert to Mach Number
1 mph is equal to Mach 0.001303
Convert to Speed Of Sound
1 mph is equal to 0.001303 speed of sound
Convert to Feet Per Second
1 mph is equal to 1.466667 feet per second
Convert to Kilometers Per Second
1 mph is equal to 0.000447 kilometers per second
Convert to Kilometers Per Hour
1 mph is equal to 1.609344 kilometers per hour
Convert to Meters Per Second
1 mph is equal to 0.44704 meters per second
Convert to Centimeters Per Second
1 mph is equal to 44.704 centimeters per second