knots to feet per second
Convert knot to foot per second — instant, free, with the formula shown.
1 kn=1.6878 ft/s
How to convert knot to foot per second
To convert knot to foot per second, multiply by 1.68780986:
ft/s = kn × 1.68780986
For example, 10 kn × 1.68781 = 16.8781 ft/s.
kn to ft/s conversion table
| knots (kn) | feet per second (ft/s) |
|---|---|
| 1 kn | 1.6878 ft/s |
| 2 kn | 3.3756 ft/s |
| 5 kn | 8.439 ft/s |
| 10 kn | 16.8781 ft/s |
| 25 kn | 42.1952 ft/s |
| 50 kn | 84.3905 ft/s |
| 100 kn | 168.781 ft/s |
| 250 kn | 421.9525 ft/s |
| 500 kn | 843.9049 ft/s |
| 1000 kn | 1687.8099 ft/s |
Other knot conversions
Convert to foot per second from another unit
kn to ft/s — frequently asked
How many feet per second are in 1 knot?
1 knot = 1.6878 feet per second (kn × 1.68781 = ft/s).
What is the formula to convert knot to foot per second?
Multiply your knot value by 1.68780986 to get foot per second.
How do I convert 10 knots to feet per second?
10 kn = 16.8781 ft/s. For 100 kn the answer is 168.781 ft/s. Use the calculator on this page for any other value.
When to convert knot to foot per second
1Driving and traffic (mph ↔ km/h)
2Aviation and maritime (knots, Mach)
3Running, cycling and sports (km/h, mph, m/s)
4Physics and engineering (m/s)
Speed conversion — common questions
What is 60 mph in km/h?
60 mph × 1.60934 ≈ 96.56 km/h.
Why are nautical and aviation speeds in knots?
1 knot = 1 nautical mile per hour, and the nautical mile is based on Earth's geometry (1/60 of one degree of latitude), which makes navigation calculations simpler.
How fast is Mach 1?
Mach 1 is the speed of sound, ≈ 343 m/s at sea level at 20 °C. It varies with temperature and altitude.
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