knots to ft/s converter
1 knot equals 1.68781 feet per second. Conversions use ft/s = kn × 1.6878
kn → 1.68781 ft/s
ft/s = kn × 1.6878
Converter
Worked examples
- 1 kn = 1.68781 ft/s
- 2 kn = 3.37562 ft/s
- 5 kn = 8.439049 ft/s
- 10 kn = 16.878099 ft/s
- 100 kn = 168.781 ft/s
knots to feet per second conversion table
| kn | ft/s | Arithmetic |
|---|---|---|
| 1 kn | 1.68781 ft/s | × 1.6878 |
| 2 kn | 3.37562 ft/s | × 1.6878 |
| 3 kn | 5.06343 ft/s | × 1.6878 |
| 4 kn | 6.751239 ft/s | × 1.6878 |
| 5 kn | 8.439049 ft/s | × 1.6878 |
| 6 kn | 10.126859 ft/s | × 1.6878 |
| 8 kn | 13.502479 ft/s | × 1.6878 |
| 10 kn | 16.878099 ft/s | × 1.6878 |
| 12 kn | 20.253718 ft/s | × 1.6878 |
| 15 kn | 25.317148 ft/s | × 1.6878 |
| 20 kn | 33.756197 ft/s | × 1.6878 |
| 25 kn | 42.195246 ft/s | × 1.6878 |
| 30 kn | 50.634296 ft/s | × 1.6878 |
| 40 kn | 67.512394 ft/s | × 1.6878 |
| 50 kn | 84.390493 ft/s | × 1.6878 |
| 60 kn | 101.269 ft/s | × 1.6878 |
| 70 kn | 118.147 ft/s | × 1.6878 |
| 80 kn | 135.025 ft/s | × 1.6878 |
| 90 kn | 151.903 ft/s | × 1.6878 |
| 100 kn | 168.781 ft/s | × 1.6878 |
How to convert kn to ft/s
- Take your value in knots.
- Multiply by 1.6878
- That is your answer in feet per second — no rounding needed until you choose a display precision.
Related conversions
ft/s to knkm/h to ft/smph to ft/sm/s to ft/skn to km/hkn to mphkn to m/sft/s to km/hft/s to mphall speed units
Questions
How many feet per second in 1 knot?
Exactly 1.68781 ft/s. The factor follows from the definitions of both units, not from a measurement, so it is exact.
How do I convert kn to ft/s?
Multiply the knots figure by 1.6878 — or use the converter above, which updates as you type.
Is kn to ft/s the same as ft/s to kn?
No — they are inverses. One kn is 1.68781 ft/s, while one ft/s is 0.5924838 kn.
What is 1 kn in ft/s?
1 kn = 1.68781 ft/s (see the value page for the full arithmetic).