Convert Foot per Second to Mile per Hour
Use this free converter to change feet per second (ft/s) into miles per hour (mph). Foot per second and mile per hour both measure speed. As a quick reference, 1 ft/s equals 0.68181818 mph, and 1 mph equals 1.4666667 ft/s.
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Mile per Hour (mph)
0.68181818
1 ft/s = 0.68181818 mph
Speed conversion table
| Foot per Second | Mile per Hour |
|---|---|
| 0.01 | 0.0068181818 |
| 0.1 | 0.068181818 |
| 0.5 | 0.34090909 |
| 1 | 0.68181818 |
| 2 | 1.3636364 |
| 3 | 2.0454545 |
| 5 | 3.4090909 |
| 10 | 6.8181818 |
| 20 | 13.636364 |
| 25 | 17.045455 |
| 50 | 34.090909 |
| 100 | 68.181818 |
| 1,000 | 681.81818 |
How to convert Foot per Second to Mile per Hour
Multiply the foot per second value by 0.68181818 to get miles per hour.
- Enter the number of feet per second you want to convert.
- The converter instantly shows the equivalent value in miles per hour.
- Worked example: 15 ft/s × 0.68181818 = 10.227273 mph.
- Use the swap button to reverse the conversion (mile per hour to foot per second).
About these units
Foot per Second (ft/s)
- Definition
- A foot per second (ft/s) expresses speed as the number of feet travelled each second.
- History
- It derives from the foot in imperial and US customary units.
- Current use
- Feet per second are used in ballistics, sports, and some US engineering.
Mile per Hour (mph)
- Definition
- A mile per hour (mph) expresses speed as the number of miles travelled in one hour.
- History
- It developed with road and rail travel in Britain and the United States.
- Current use
- Miles per hour are used for speed limits and vehicle speeds in the US and UK.
Frequently asked questions
How many miles per hour are in a foot per second?
There are 0.68181818 mph in 1 ft/s. To convert, multiply the number of feet per second by 0.68181818.
How do I convert feet per second to miles per hour?
Multiply the foot per second value by 0.68181818 to get miles per hour. For example, 10 ft/s = 6.8181818 mph.
Is this foot per second-to-mile per hour converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Foot per Second to other speed units
| Unit | 1 Foot per Second equals |
|---|---|
| Meter per Second (m/s) | 0.3048 m/s |
| Kilometer per Hour (km/h) | 1.09728 km/h |
| Mile per Hour (mph) | 0.68181818 mph |
| Knot (kn) | 0.5924838 kn |
| Mach (Ma) | 0.00088862974 Ma |