ft/s to Knots Converter
Quick answer: To convert ft/s to knots, multiply by 0.5924838. For example, 10 ft/s is 5.924838 kn. One foot per second equals 0.5924838 kn.
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Use the ft/s to Knots Converter
ft/s to Knots formula and what each symbol means
kn = ft/s × 0.5924838
| Symbol | Meaning |
|---|---|
| ft/s | Foot per second |
| kn | Knot |
ft/s to Knots examples
1 ft/s
1 ft/s × 0.5924838 = 0.5924838 kn.
10 ft/s
10 ft/s × 0.5924838 = 5.924838 kn.
100 ft/s
100 ft/s × 0.5924838 = 59.24838 kn.
ft/s compared with Knots
One kn is 1.688 times as large as one ft/s, so your number gets smaller when you convert ft/s to knots and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.
About ft/s and knots
Foot per second (ft/s): Feet per second, exactly 0.3048 m/s. Knot (kn): Nautical miles per hour, exactly 1852/3600 m/s.
Where ft/s to knots conversions are used
Sports results are quoted in m/s, km/h or mph. Wind and weather reports mix m/s, km/h, mph and knots.
How to calculate ft/s to Knots step by step
- Enter the value in ft/s (the starting unit).
- Multiply by 0.5924838, because 1 ft/s = 0.5924838 kn.
- The product is the value in kn. To go back, divide by 0.5924838 or multiply by 1.68781.
Popular speed conversions
How to read your ft/s to Knots result
Quick estimate: multiply by about 0.6 to get knots from ft/s; this is within 1.3% of the exact factor. To go from km/h to m/s divide by 3.6.
| FT/S | KNOTS |
|---|---|
| 1 | 0.5924838 |
| 2 | 1.184968 |
| 5 | 2.962419 |
| 10 | 5.924838 |
| 20 | 11.84968 |
| 50 | 29.62419 |
| 100 | 59.24838 |
| 1,000 | 592.4838 |
Knots to ft/s: quick table
| KNOTS | FT/S |
|---|---|
| 1 | 1.68781 |
| 5 | 8.439049 |
| 10 | 16.8781 |
| 25 | 42.19525 |
| 50 | 84.39049 |
| 100 | 168.781 |
| 250 | 421.9525 |
| 500 | 843.9049 |
Common mistakes when calculating ft/s to Knots
- Mixing up knots and mph: a knot is about 15% faster than a mile per hour.
- Dividing when you should multiply: from ft/s to kn multiply by 0.5924838; from kn to ft/s divide by 0.5924838.
ft/s to Knots FAQ
How many kn are in 1 ft/s?
1 ft/s equals 0.5924838 kn.
How many ft/s are in 1 kn?
1 kn equals 1.68781 ft/s.
Is 1 ft/s = 0.5924838 kn an exact conversion?
Yes. The foot per second and the knot are both defined exactly in SI terms, so the ratio has no measurement uncertainty; 0.5924838 is just that ratio shown to 7 significant figures.
What is a knot (kn)?
Nautical miles per hour, exactly 1852/3600 m/s.
How can I estimate ft/s to knots in my head?
Quick estimate: multiply by about 0.6 to get knots from ft/s; this is within 1.3% of the exact factor.
What is 7 ft/s in knots?
7 ft/s = 4.147387 kn (since 7 × 0.5924838).
What is 40 ft/s in knots?
40 ft/s = 23.69935 kn (since 40 × 0.5924838).
What is 200 ft/s in knots?
200 ft/s = 118.4968 kn (since 200 × 0.5924838).
How many decimals should I keep when converting ft/s to kn?
Match the precision of your original measurement. For example, 5.924838 kn rounds to 5.92 kn at 3 significant figures; keep more digits only for engineering or scientific work.
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Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors