Mile per hour to speed of light converter (mph to c)

Conversion Formula

1 mph = 1.49e-9 c

Step-by-Step Explanation

1. Understand the base relationship:
   1 Mile per hour = 0.447040 meters per second
   1 Speed of light = 299,792,458 meters per second
2. Establish the conversion factor:
   1 mph = (0.447040 m/s) / (299,792,458 m/s/c) = 1.49e-9 c
3. Apply the conversion:
   Multiply the value in mph by 1.49e-9 to get the equivalent in c

Example Conversion

Convert 5 mph to c:

5 mph × 1.49e-9 = 7.46e-9 c