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Knots to Feet per second Converter

Convert knot to foot per second instantly. Type a value below — the result updates as you type.

When you need to convert knot to foot per second

Speed conversions are handy for driving abroad, reading weather and marine forecasts, or comparing vehicle, wind and running pace figures quoted in unfamiliar units.

Typical values: 0.5 kn is about 0.8439 ft/s, and 100 kn works out to roughly 168.781 ft/s. Because the ratio is fixed at 1.6878, you can scale any amount linearly — doubling the knots doubles the feet per second.

Road signs, aviation and sailing each use their own speed unit, so the same motion can be described several ways.

How to convert knot to foot per second

One knot equals 1.6878 feet per second. To convert, multiply the number of knots by 1.6878:

feet per second = knots × 1.6878

For example, 10 knots × 1.6878 = 16.8781 feet per second.

Knots to feet per second conversion table

Speed (kn)Feet per second (ft/s)
1 kn1.6878 ft/s
2 kn3.3756 ft/s
3 kn5.0634 ft/s
5 kn8.439 ft/s
10 kn16.8781 ft/s
20 kn33.7562 ft/s
50 kn84.3905 ft/s
100 kn168.781 ft/s

FAQ

How many feet per second are in a knot?

One knot = 1.6878 feet per second.

How do I convert feet per second back to knots?

Divide by 1.6878, or use the feet per second to knots converter.

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