Knots to Feet Per Second
Convert knots (kn) to feet per second (ft/s). Type in either box; the other updates as you go.
How to convert knots to feet per second
To convert knots to feet per second, multiply the number of knots by 1.687809857.
Example
Convert 5 knots to feet per second:
Knot to foot per second conversion chart
| Knots (kn) | Feet Per Second (ft/s) |
|---|---|
| 1 kn | 1.68781 ft/s |
| 2 kn | 3.37562 ft/s |
| 3 kn | 5.06343 ft/s |
| 4 kn | 6.751239 ft/s |
| 5 kn | 8.439049 ft/s |
| 6 kn | 10.12686 ft/s |
| 7 kn | 11.81467 ft/s |
| 8 kn | 13.50248 ft/s |
| 9 kn | 15.19029 ft/s |
| 10 kn | 16.8781 ft/s |
| 12 kn | 20.25372 ft/s |
| 15 kn | 25.31715 ft/s |
| 20 kn | 33.7562 ft/s |
| 25 kn | 42.19525 ft/s |
| 30 kn | 50.6343 ft/s |
| 40 kn | 67.51239 ft/s |
| 50 kn | 84.39049 ft/s |
| 60 kn | 101.2686 ft/s |
| 70 kn | 118.1467 ft/s |
| 75 kn | 126.5857 ft/s |
| 80 kn | 135.0248 ft/s |
| 90 kn | 151.9029 ft/s |
| 100 kn | 168.781 ft/s |
| 150 kn | 253.1715 ft/s |
| 200 kn | 337.562 ft/s |
| 250 kn | 421.9525 ft/s |
| 500 kn | 843.9049 ft/s |
| 1,000 kn | 1,687.81 ft/s |
Going the other way? See the feet per second to knots chart.
About the units
Knot (kn)
A knot is one nautical mile per hour, about 1.852 km/h. Ships, aircraft and wind forecasts for sailors use knots.
Foot Per Second (ft/s)
Feet per second is used for projectile velocities and fluid flow in US engineering.
Frequently asked questions
How many feet per second are in a knot?
There are 1.687809857 feet per second in a knot.
How many knots are in a foot per second?
There are 0.5924838013 knots in a foot per second.
How do you convert knots to feet per second?
To convert knots to feet per second, multiply the number of knots by 1.687809857.
What is 5 knots in feet per second?
5 knots equals 8.43905 feet per second.
Convert between miles per hour, kilometers per hour, meters per second and knots. Open the speed converter to see a value in every unit at once.