Knots to feet per second converter
Feet per second (ft/s)
1 knot = 1.687809857 feet per second
How to convert knots to feet per second
ft/s = kn × 1.6878098571
Multiply the number of knots by 1.6878098571 to get feet per second. Going the other way, divide by 1.6878098571 (or multiply by 0.592483801296).
One knot is exactly defined as 1.6878098571 feet per second (to 12 significant figures), and one foot per second is 0.592483801296 knots.
Worked examples
- Convert 5 knots: 5 × 1.6878098571 = 8.439049286 8.439049286 feet per second.
- Convert 12.5 knots: 12.5 × 1.6878098571 = 21.09762321 21.09762321 feet per second.
- Convert 250 knots: 250 × 1.6878098571 = 421.9524643 421.9524643 feet per second.
Quick-reference table
| kn | ft/s |
|---|---|
| 1 | 1.687809857 |
| 2 | 3.375619714 |
| 3 | 5.063429571 |
| 5 | 8.439049286 |
| 10 | 16.87809857 |
| 15 | 25.31714786 |
| 20 | 33.75619714 |
| 25 | 42.19524643 |
| 50 | 84.39049286 |
| 75 | 126.5857393 |
| 100 | 168.7809857 |
| 1,000 | 1,687.809857 |
| ft/s | kn |
|---|---|
| 1 | 0.5924838013 |
| 2 | 1.184967603 |
| 3 | 1.777451404 |
| 5 | 2.962419006 |
| 10 | 5.924838013 |
| 15 | 8.887257019 |
| 20 | 11.84967603 |
| 25 | 14.81209503 |
| 50 | 29.62419006 |
| 75 | 44.4362851 |
| 100 | 59.24838013 |
| 1,000 | 592.4838013 |
Related conversions
Frequently asked questions
How many feet per second are in 1 knot?
1 knot equals 1.687809857 feet per second.
What is the formula to convert knots to feet per second?
Use ft/s = kn × 1.6878098571. Multiply the number of knots by 1.6878098571 to get feet per second. Going the other way, divide by 1.6878098571 (or multiply by 0.592483801296).
What is 100 knots in feet per second?
100 knots is 168.7809857 feet per second.