Convert feet per second to miles per hour
1 ft/s = 0.68181818 mph. Change the amount below, or read the formula and the reference table further down.
1 foot per second equals
miles per hour
1 ft/s = 0.68181818 mph
The formula
Feet per second and miles per hour both measure speed from the same zero, so a single multiplier does the job.
mph = ft/s × 0.6818181818
Going the other way? Convert miles per hour to feet per second.
Feet per second to miles per hour table
Common values, rounded for reading.
| Feet per second (ft/s) | Miles per hour (mph) |
|---|---|
| 1 | 0.681818 |
| 2 | 1.3636 |
| 3 | 2.0455 |
| 4 | 2.7273 |
| 5 | 3.4091 |
| 6 | 4.0909 |
| 7 | 4.7727 |
| 8 | 5.4545 |
| 9 | 6.1364 |
| 10 | 6.8182 |
| 15 | 10.2273 |
| 20 | 13.6364 |
| 25 | 17.0455 |
| 30 | 20.4545 |
| 40 | 27.2727 |
| 50 | 34.0909 |
| 75 | 51.1364 |
| 100 | 68.1818 |
| 250 | 170.45 |
| 500 | 340.91 |
| 1,000 | 681.82 |
Questions people ask
- How many miles per hour are in a foot per second?
- One foot per second equals 0.6818181818 miles per hour.
- How do I convert feet per second to miles per hour by hand?
- Multiply the number of feet per second by 0.6818181818. For a rough check, 0.682 is close enough for most everyday use.
- What is 1 foot per second in miles per hour?
- 1 foot per second is 0.68181818 miles per hour.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.