100 feet per second to miles per hour
100 ft/s = 68.181818 mph. Change the amount below, or read the formula and the reference table further down.
100 feet 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
Values either side of 100 ft/s.
| Feet per second (ft/s) | Miles per hour (mph) |
|---|---|
| 0 | 0 |
| 10 | 6.8182 |
| 20 | 13.6364 |
| 30 | 20.4545 |
| 40 | 27.2727 |
| 50 | 34.0909 |
| 60 | 40.9091 |
| 70 | 47.7273 |
| 80 | 54.5455 |
| 90 | 61.3636 |
| 100 | 68.1818 |
| 110 | 75 |
| 120 | 81.8182 |
| 130 | 88.6364 |
| 140 | 95.4545 |
| 150 | 102.27 |
| 160 | 109.09 |
| 170 | 115.91 |
| 180 | 122.73 |
| 190 | 129.55 |
| 200 | 136.36 |
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 100 feet per second in miles per hour?
- 100 feet per second is 68.181818 miles per hour.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.