100 knots to feet per second
100 kn = 168.78 ft/s. Change the amount below, or read the formula and the reference table further down.
100 knots equals
feet per second
1 kn = 1.68781 ft/s
The formula
Knots and feet per second both measure speed from the same zero, so a single multiplier does the job.
ft/s = kn × 1.68780986
Going the other way? Convert feet per second to knots.
Knots to feet per second table
Values either side of 100 kn.
| Knots (kn) | Feet per second (ft/s) |
|---|---|
| 0 | 0 |
| 10 | 16.8781 |
| 20 | 33.7562 |
| 30 | 50.6343 |
| 40 | 67.5124 |
| 50 | 84.3905 |
| 60 | 101.27 |
| 70 | 118.15 |
| 80 | 135.02 |
| 90 | 151.9 |
| 100 | 168.78 |
| 110 | 185.66 |
| 120 | 202.54 |
| 130 | 219.42 |
| 140 | 236.29 |
| 150 | 253.17 |
| 160 | 270.05 |
| 170 | 286.93 |
| 180 | 303.81 |
| 190 | 320.68 |
| 200 | 337.56 |
Questions people ask
- How many feet per second are in a knot?
- One knot equals 1.68780986 feet per second.
- How do I convert knots to feet per second by hand?
- Multiply the number of knots by 1.68780986. For a rough check, 1.7 is close enough for most everyday use.
- What is 100 knots in feet per second?
- 100 knots is 168.78 feet per second.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.