How to convert knots to feet per second
To convert knots to feet per second, multiply by 1.6878098571. Speed conversions are used for driving, aviation, sailing, sports and physics problems.
Knot to Foot per Second conversion table
| Knot (kn) | Foot per Second (ft/s) |
|---|---|
| 0.1 kn | 0.16878098571 ft/s |
| 0.5 kn | 0.843904928551 ft/s |
| 1 kn | 1.6878098571 ft/s |
| 2 kn | 3.3756197142 ft/s |
| 3 kn | 5.0634295713 ft/s |
| 4 kn | 6.7512394284 ft/s |
| 5 kn | 8.43904928551 ft/s |
| 10 kn | 16.878098571 ft/s |
| 20 kn | 33.756197142 ft/s |
| 25 kn | 42.1952464275 ft/s |
| 50 kn | 84.3904928551 ft/s |
| 100 kn | 168.78098571 ft/s |
| 500 kn | 843.904928551 ft/s |
| 1,000 kn | 1,687.8098571 ft/s |
About the units
Knot (kn)
A knot is one nautical mile (1,852 m) per hour, used in aviation and at sea.
Foot per Second (ft/s)
Feet per second is used for projectile, fluid-flow and ballistics speeds in US engineering.
How to use this converter
- Type the number of knots (kn) in the input box.
- The result in feet per second appears instantly — no button needed.
- See the same value in every other speed unit just below.
- Use “Swap units” to convert feet per second back to knots.
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many feet per second are in one knot?
One knot equals 1.6878098571 feet per second. 1.6878098571 is the exact factor used by this converter.
How do I convert knots to feet per second?
Multiply the value in knots by 1.6878098571. To go the other way, multiply feet per second by 0.592483801296.
What is 10 kn in ft/s?
10 kn = 16.878098571 ft/s. Also, 5 kn = 8.43904928551 ft/s and 100 kn = 168.78098571 ft/s.
What is the difference between a knot and a foot per second?
A knot is one nautical mile (1,852 m) per hour, used in aviation and at sea. Feet per second is used for projectile, fluid-flow and ballistics speeds in US engineering.
Is this tool free and private?
Yes — the Knot to Foot per Second is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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