Convert knots to feet per second instantly. 100 kn = 168.781 ft/s.
1 kn = 1.68781 ft/s
To convert knots to feet per second, use the formula ft/s = kn × 1.68781. In other words, multiply the number of knots by 1.68781 to get the equivalent in feet per second. For example, 100 kn equals 168.781 ft/s.
| Knots (kn) | Feet per Second (ft/s) |
|---|---|
| 1 kn | 1.68781 ft/s |
| 5 kn | 8.439049 ft/s |
| 10 kn | 16.8781 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 |
| 80 kn | 135.0248 ft/s |
| 90 kn | 151.9029 ft/s |
| 100 kn | 168.781 ft/s |
| 110 kn | 185.6591 ft/s |
| 120 kn | 202.5372 ft/s |
| 130 kn | 219.4153 ft/s |
| 150 kn | 253.1715 ft/s |
| 200 kn | 337.562 ft/s |
| 300 kn | 506.343 ft/s |
The knot (kn) and the foot per second (ft/s) are both units of speed. This page gives you an instant, exact conversion between them, a reference table for the most common values, and the underlying formula so you can check the maths yourself. All calculations run in your browser — nothing you type is sent anywhere.
Need to go the other way? Use the Feet per Second to Knots converter. For all units at once, try the full Speed Converter.
Use the formula ft/s = kn × 1.68781. For example, 100 kn equals 168.781 ft/s. Just enter your value in the converter above to get an instant result.
1 kn = 1.68781 ft/s. You can multiply any number of knots by this figure to convert it, or use the calculator above for exact results.
Use the reverse conversion: 1 ft/s = 0.5924838 kn. Our Feet per Second to Knots converter does this for you.