Mile per Hour to Mile per Second Conversion
Convert between Mile per Hour and Mile per Second quickly and accurately.
How to Convert Mile per Hour to Mile per Second
Conversion Formula
Example
Convert 15 mph to mi/s:
Unit Information
Learn about the speed units you're converting between
Mile per Hour
mph
Definition
The mile per hour is a unit of speed expressing the number of statute miles traveled in one hour. It is primarily used in the United States, United Kingdom, and other countries that have not fully adopted the metric system for everyday measurements.
History/Origin
Mile per hour has its origins in the British Imperial system and was widely used in the British Empire. It became the standard speed unit in the United States and remains the primary unit for road traffic, aviation, and weather reporting in these countries.
Current Use
Mile per hour is used for speed limits, speedometers, weather reports, and aviation in the US, UK, and other imperial system countries. It is also commonly used in sports, particularly in motorsports and athletics in these regions.
Multiplier
0.447
Offset
0
Mile per Second
mi/s
Definition
The mile per second is a unit of speed representing the distance of one statute mile traveled in one second. It is used for measuring extremely high speeds such as those of spacecraft, projectiles, or other high-velocity objects in imperial system countries.
History/Origin
Mile per second was developed for measuring extremely high velocities in physics, astronomy, and aerospace engineering in imperial system countries. It became essential for expressing speeds of spacecraft and other high-velocity objects.
Current Use
Mile per second is used in aerospace engineering for spacecraft velocities, in physics for high-speed particle studies, in astronomy for celestial object speeds, and in military applications in countries using imperial units.
Multiplier
1609.344
Offset
0
Mile per Hour to Mile per Second Conversion Table
| Mile per Hour [mph] | Mile per Second [mi/s] |
|---|---|
| 1 mph | 0.000278 mi/s |
| 10 mph | 0.002778 mi/s |
| 25 mph | 0.006944 mi/s |
| 50 mph | 0.013889 mi/s |
| 100 mph | 0.027778 mi/s |
| 0 mph | 0E+0 mi/s |
| -10 mph | -0.002778 mi/s |
| -40 mph | -0.011111 mi/s |
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