Speed
Knots to Feet per Second
Convert knots to feet per second instantly.
About this conversion
Knots (kn) are used in maritime and aviation to indicate vessel and aircraft speed. Feet per second (ft/s) are used in the US and UK in engineering and ballistics. 1 Knots equals 1.6878 feet per second. The converter above calculates the result instantly — you can also swap the units to convert in the other direction.
How to use
Enter a value in the knots field and instantly see the result in feet per second. Click the swap button to reverse the conversion.
Manual calculation
1 knots = 1.6878 feet per second. Example: 10 kn = 16.878 ft/s.
Frequently asked questions
How do you convert knots to feet per second?
Multiply the number of knots by 1.6878 to get feet per second. Example: 10 kn × 1.6878 = 16.878 ft/s.
Are knots bigger or smaller than feet per second?
Knots is larger than Feet per Second. One knot equals 1.6878 feet per second, so the result is a larger number when converting from knots to feet per second.
What is 5 knots in feet per second?
5 kn equals 8.439 ft/s.
How many knots are in 1 feet per second?
1 ft/s equals 0.59248 kn. This is the reverse conversion — useful if you have a value in feet per second and want it in knots.
What is knot?
Knots (kn) are used in maritime and aviation to indicate vessel and aircraft speed.
What is feet per second used for?
Feet per second (ft/s) are used in the US and UK in engineering and ballistics.