Miles per Hour to Feet per Second Converter
One Miles per Hour equals 1.466666667 Feet per Second (1 mph = 1.466666667 fps). Multiply a Miles per Hour value by 1.466666667 to get the equivalent in Feet per Second. Use the calculator above for instant results, or follow the formula, worked examples, and reference table below.
Formula
fps = mph × 1.466666667
Multiply the Miles per Hour value by 1.466666667 to get the equivalent value in Feet per Second.
Example Conversions
1 Miles per Hour (mph)
1.466666667 Feet per Second (fps)
5 Miles per Hour (mph)
7.333333333 Feet per Second (fps)
10 Miles per Hour (mph)
14.66666667 Feet per Second (fps)
25 Miles per Hour (mph)
36.66666667 Feet per Second (fps)
100 Miles per Hour (mph)
146.6666667 Feet per Second (fps)
Conversion Table
| Miles per Hour (mph) | Feet per Second (fps) |
|---|---|
| 0.1 | 0.1466666667 |
| 0.5 | 0.7333333333 |
| 1 | 1.466666667 |
| 2 | 2.933333333 |
| 5 | 7.333333333 |
| 10 | 14.66666667 |
| 25 | 36.66666667 |
| 50 | 73.33333333 |
| 100 | 146.6666667 |
| 250 | 366.6666667 |
| 500 | 733.3333333 |
| 1000 | 1466.666667 |
How to Convert Manually
Use these steps to convert Miles per Hour values to Feet per Second without the calculator.
- Write down the value in Miles per Hour (mph) that you want to convert.
- Multiply that value by 1.466666667.
- For example, 10 Miles per Hour × 1.466666667 = 14.66666667 Feet per Second.
- Label the result as Feet per Second (fps).
Relative Size Comparison
This chart shows the visual difference in size between exactly one Miles per Hour and one Feet per Second.
About Miles per Hour and Feet per Second
The mile per hour is exactly 1.609344 kilometers per hour, the road speed unit of the US and UK. Tennis serves, baseball pitches, and hurricane winds are also quoted in mph. The foot per second is exactly 0.3048 meters per second. US engineering uses it for projectile velocities, water flow, and conveyor speeds. One Miles per Hour equals 1.466666667 Feet per Second (1 mph = 1.466666667 fps). Miles per Hour to Feet per Second conversion comes up most often in US and UK speed limits and in ball sports speeds (pitches, serves), typically when figures need restating for projectile and ballistics velocities.
Precision and Rounding: Most speed factors are exact because they derive from exact length and time definitions (1 mph = 1.609344 km/h precisely); Mach is the exception, since the speed of sound varies with temperature and altitude — the figure used here is 343 m/s, the sea-level value at 20 °C. One decimal place covers driving and running; aviation and ballistics carry more.
Conversion factors per NIST Special Publication 811 and the BIPM SI Brochure (9th edition) (reference).
Worked Example
15 Miles per Hour equals 22 Feet per Second.
15 mph × 1.466666667 = 22 fps
FAQ
How do I convert Miles per Hour to Feet per Second?
Multiply the Miles per Hour value by 1.466666667 to get the equivalent value in Feet per Second.
What is the formula for Miles per Hour to Feet per Second?
The formula is fps = mph × 1.466666667.
How many Feet per Second are in 1 Miles per Hour?
1 Miles per Hour equals 1.466666667 Feet per Second.
Can I convert Feet per Second back to Miles per Hour?
Yes. 1 Feet per Second equals 0.6818181818 Miles per Hour, and the related converter can reverse the calculation.
What are common names for Miles per Hour and Feet per Second?
Miles per Hour is shown as mph and may also be searched as mi/h, miles/hour. Feet per Second is shown as fps and may also be searched as ft/s, feet/second.
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