21 Knots to Feet per Second

Convert 21 knots (kn) to feet per second (ft/s) with formulas, examples, and conversion tables.

kn
ft/s
21 kn = 35.444 ft/s
Full precision:35.444 ft/s
Step-by-Step Solution

To convert 21 knots to feet per second, we multiply by 1.6878 because one knot equals exactly 1.6878 feet per second.

1 knot = 1.6878 feet per second

Since each knot contains 1.6878 feet per second, we multiply our value by this factor:

21 × 1.6878 = 35.444 feet per second

So 21 knots = 35.444 feet per second.

✓Quick check: 35.444 ÷ 1.6878 = 21 knots
↔ Feet per Second to Knots

Knots to Feet per Second Conversion Table

KnotsFeet per Second
1 kn1.6878 ft/s
2 kn3.3756 ft/s
3 kn5.0634 ft/s
4 kn6.7512 ft/s
5 kn8.439 ft/s
10 kn16.8781 ft/s
20 kn33.7562 ft/s
21 kn35.444 ft/s
50 kn84.3904 ft/s
100 kn168.781 ft/s

21 Knots in Other Units

Unit21 kn =
Knots to m/s10.8033 m/s
Knots to km/h38.8919 km/h
Knots to Centimeters per Second1080.33 cm/s
Knots to mph24.1663 mph
Knots to Feet per Second35.444 ft/s
Knots to Inches per Second425.328 in/s
Knots to Mach0.031747 Mach
Knots to Speed of Light3.6036e-8 c
Knots to Kilometers per Second0.010803 km/s

Related Conversions

5 kn to ft/s10 kn to ft/s20 kn to ft/s35.44 ft/s to knFeet per Second to Knots ConverterKnots to Feet per Second Converter