Convert feet per second to miles per hour
Enter a value in feet per second to convert it to miles per hour.
feet per second to miles per hour reference
| feet per second | miles per hour |
|---|---|
| 1 ft/s | 0.6818 mph |
| 2 ft/s | 1.3636 mph |
| 5 ft/s | 3.4091 mph |
| 10 ft/s | 6.8182 mph |
| 25 ft/s | 17.0455 mph |
| 50 ft/s | 34.0909 mph |
| 100 ft/s | 68.1818 mph |
The conversion factor
One foot per second is 0.68181818 miles per hour. So to convert, multiply your figure in feet per second by 0.68181818. To go the other way, multiply miles per hour by 1.46666667, or use the miles per hour to feet per second converter.
Doing it in your head
For a quick estimate, round the factor: roughly "divide by 1". Use the exact converter above when the number matters.
Where this conversion comes up
Driving abroad, running and cycling pace, wind speed, and vehicle specs.
See the common unit conversions cheat sheet for the factors worth memorising.
Related tools
Frequently asked questions
How many miles per hour are in a foot per second?
1 foot per second = 0.681818 miles per hour.
What is the formula to convert feet per second to miles per hour?
Multiply the number of feet per second by 0.68181818. To go back the other way, multiply miles per hour by 1.46666667.
What is 10 feet per second in miles per hour?
10 feet per second = 6.8182 miles per hour. The reference table below lists more common values.
Is this converter accurate?
It uses the internationally defined conversion factors and computes at full floating-point precision, then rounds only the displayed result. For everyday purposes it is exact; for legal, engineering or scientific work, confirm the required number of significant figures.
Does it work offline?
Yes. The conversion runs in your browser with no server call, so it keeps working with no connection, and nothing you enter is uploaded.
Last reviewed: September 2026. Figures and formulas are checked against their published sources; see the site's data notes.