Enter knots or feet per second into the calculator to convert to the other value.
Knots to Ft/s Formula
The following formulas convert knots to feet per second and back.
\mathrm{ft/s} = 1.68781\,\mathrm{kt}- 1 kt = 1852/3600 m/s โ 0.514444 m/s
- 1 ft/s = 0.3048 m/s
- 1 mph = 1609.344/3600 m/s = 0.44704 m/s
- 1 km/h = 1000/3600 m/s โ 0.2777778 m/s
Knots to Ft/s Conversion Table
| Knots (kt) | Feet/second (ft/s) |
|---|---|
| 0.5 | 0.844 |
| 1 | 1.688 |
| 2 | 3.376 |
| 3 | 5.063 |
| 4 | 6.751 |
| 5 | 8.439 |
| 6 | 10.127 |
| 7 | 11.815 |
| 8 | 13.502 |
| 9 | 15.190 |
| 10 | 16.878 |
| 12 | 20.254 |
| 15 | 25.317 |
| 20 | 33.756 |
| 25 | 42.195 |
| 30 | 50.634 |
| 35 | 59.073 |
| 40 | 67.512 |
| 45 | 75.951 |
| 50 | 84.391 |
| 60 | 101.269 |
| * Exact factor: 1 kt = 1.68781 ft/s (using 1 NM = 1852 m and 1 ft = 0.3048 m). | |
How do you convert knots to ft/s? Multiply knots by 1.68781 to get feet per second.
How do you convert ft/s to knots? Divide feet per second by 1.68781 (or multiply by 0.592484).
Example Problem
Convert 12 kt to ft/s.
Use the formula: ft/s = kt ร 1.68781.
ft/s = 12 ร 1.68781 = 20.254 ft/s
