Convert feet per second to Mach
1 ft/s = 0.00089571 M. Change the amount below, or read the formula and the reference table further down.
1 foot per second equals
Mach
1 ft/s = 0.00089571 M
The formula
Feet per second and Mach both measure speed from the same zero, so a single multiplier does the job.
M = ft/s × 0.0008957066
Going the other way? Convert Mach to feet per second.
Feet per second to Mach table
Common values, rounded for reading.
| Feet per second (ft/s) | Mach (M) |
|---|---|
| 1 | 0.000896 |
| 2 | 0.001791 |
| 3 | 0.002687 |
| 4 | 0.003583 |
| 5 | 0.004479 |
| 6 | 0.005374 |
| 7 | 0.00627 |
| 8 | 0.007166 |
| 9 | 0.008061 |
| 10 | 0.008957 |
| 15 | 0.013436 |
| 20 | 0.017914 |
| 25 | 0.022393 |
| 30 | 0.026871 |
| 40 | 0.035828 |
| 50 | 0.044785 |
| 75 | 0.067178 |
| 100 | 0.089571 |
| 250 | 0.223927 |
| 500 | 0.447853 |
| 1,000 | 0.895707 |
Questions people ask
- How many Mach are in a foot per second?
- One foot per second equals 0.0008957066 Mach.
- How do I convert feet per second to Mach by hand?
- Multiply the number of feet per second by 0.0008957066. For a rough check, 0.001 is close enough for most everyday use.
- What is 1 foot per second in Mach?
- 1 foot per second is 0.00089571 Mach.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.