Convert Knot to Foot per Second
Use this free converter to change knots (kn) into feet per second (ft/s). Knot and foot per second both measure speed. As a quick reference, 1 kn equals 1.6878099 ft/s, and 1 ft/s equals 0.5924838 kn.
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Foot per Second (ft/s)
1.6878099
1 kn = 1.6878099 ft/s
Speed conversion table
| Knot | Foot per Second |
|---|---|
| 0.01 | 0.016878099 |
| 0.1 | 0.16878099 |
| 0.5 | 0.84390493 |
| 1 | 1.6878099 |
| 2 | 3.3756197 |
| 3 | 5.0634296 |
| 5 | 8.4390493 |
| 10 | 16.878099 |
| 20 | 33.756197 |
| 25 | 42.195246 |
| 50 | 84.390493 |
| 100 | 168.78099 |
| 1,000 | 1687.8099 |
How to convert Knot to Foot per Second
Multiply the knot value by 1.6878099 to get feet per second.
- Enter the number of knots you want to convert.
- The converter instantly shows the equivalent value in feet per second.
- Worked example: 15 kn × 1.6878099 = 25.317148 ft/s.
- Use the swap button to reverse the conversion (foot per second to knot).
About these units
Knot (kn)
- Definition
- A knot (kn) is a speed of one nautical mile per hour, about 1.852 km/h.
- History
- The name comes from knotted ropes once used to measure a ship’s speed at sea.
- Current use
- Knots are used in marine and air navigation and in meteorology for wind speed.
Foot per Second (ft/s)
- Definition
- A foot per second (ft/s) expresses speed as the number of feet travelled each second.
- History
- It derives from the foot in imperial and US customary units.
- Current use
- Feet per second are used in ballistics, sports, and some US engineering.
Frequently asked questions
How many feet per second are in a knot?
There are 1.6878099 ft/s in 1 kn. To convert, multiply the number of knots by 1.6878099.
How do I convert knots to feet per second?
Multiply the knot value by 1.6878099 to get feet per second. For example, 10 kn = 16.878099 ft/s.
Is this knot-to-foot per second converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Knot to other speed units
| Unit | 1 Knot equals |
|---|---|
| Meter per Second (m/s) | 0.51444444 m/s |
| Kilometer per Hour (km/h) | 1.852 km/h |
| Mile per Hour (mph) | 1.1507794 mph |
| Foot per Second (ft/s) | 1.6878099 ft/s |
| Mach (Ma) | 0.001499838 Ma |