Convert foot per second (ft/s) to knot (kn).
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Knot to Foot Per Second Converter (kn to ft/s)
Convert knot (kn) to foot per second (ft/s).Unit Converter · Speed
Quick answer
1 knot (kn) is approximately equal to 1.68781 feet per second (ft/s). 1 foot per second (ft/s) is approximately equal to 0.5924838 knots (kn).
To convert kn to ft/s, multiply the value in knots by 1.687809857. For example, 10 kn = 16.87809857 ft/s, and 100 kn = 168.7809857 ft/s.
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Quick reference — knot to foot per second
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How to convert knots to feet per second
How many feet per second are in a knot? 1 knot is about 1.68781 feet per second. This free kn to ft/s converter and knot to foot per second calculator gives the answer instantly for any value.
To convert knot (kn) to foot per second (ft/s), multiply the value in knots by 1.687809857.
ft/s = kn × 1.687809857
- 1
Take the value in knots
For example, 25 kn.
- 2
Multiply by 1.687809857
25 × 1.687809857.
- 3
Read the answer in feet per second
25 kn = 42.19524642 ft/s.
Knot to Foot Per Second conversion table
Common values from 1 to 1,000 knots converted to feet per second.
| Knot (kn) | Foot Per Second (ft/s) |
|---|---|
| 1 kn | 1.68780986 ft/s |
| 2 kn | 3.37561971 ft/s |
| 3 kn | 5.06342957 ft/s |
| 4 kn | 6.75123943 ft/s |
| 5 kn | 8.43904928 ft/s |
| 6 kn | 10.12685914 ft/s |
| 7 kn | 11.814669 ft/s |
| 8 kn | 13.50247886 ft/s |
| 9 kn | 15.19028871 ft/s |
| 10 kn | 16.87809857 ft/s |
| 15 kn | 25.31714785 ft/s |
| 20 kn | 33.75619714 ft/s |
| 25 kn | 42.19524642 ft/s |
| Knot (kn) | Foot Per Second (ft/s) |
|---|---|
| 30 kn | 50.63429571 ft/s |
| 40 kn | 67.51239428 ft/s |
| 50 kn | 84.39049285 ft/s |
| 60 kn | 101.26859142 ft/s |
| 70 kn | 118.14668999 ft/s |
| 75 kn | 126.58573927 ft/s |
| 80 kn | 135.02478856 ft/s |
| 90 kn | 151.90288713 ft/s |
| 100 kn | 168.7809857 ft/s |
| 250 kn | 421.95246424 ft/s |
| 500 kn | 843.90492848 ft/s |
| 1,000 kn | 1,687.80985696 ft/s |
About knots and feet per second
Knot (kn)
A knot is one nautical mile per hour, exactly 1.852 km/h. It is used for ships and aircraft.
Foot Per Second (ft/s)
Foot per second (ft/s) is exactly 0.3048 m/s. It is used in some engineering and ballistics work.
kn to ft/s: common questions
- How many feet per second are in 1 knot?
- 1 knot (kn) is approximately equal to 1.68781 feet per second (ft/s). In short: 1 kn ≈ 1.68781 ft/s.
- How do I convert knots to feet per second?
- To convert kn to ft/s, multiply the value in knots by 1.687809857. For example, 5 kn = 8.43904928 ft/s.
- How do I convert feet per second to knots?
- To convert ft/s to kn, divide the value in feet per second by 1.687809857. Or open the Foot Per Second to Knot converter, which does it for you.
- What is 10 kn in ft/s, and what is 100 kn?
- 10 kn = 16.87809857 ft/s, and 100 kn = 168.7809857 ft/s. The table above lists more values from 1 to 1,000.
- Is this kn to ft/s converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
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