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221 Feet per Second to Knots

221 feet per second equals 130.94 knots using the ft/s to kn formula. Scroll down for the full calculation.

221 ft/s = 130.94 kn
ft/s × 0.592484 = kn
Try: 216 ft/s to kn 220 ft/s to kn 222 ft/s to kn 226 ft/s to kn
221 ft/s is also
221 ft/s = 150.68 mph 221 ft/s = 242.5 km/h 221 ft/s = 67.36 m/s
ft/s
130.94 kn

How to Convert Feet per Second to Knots

ft/s × 0.592484 = kn
  1. Start with 221 ft/s
  2. Multiply by 0.592484: 221 × 0.592484 = 130.94
  3. Result: 221 ft/s = 130.94 kn

The same formula works for any value. Multiply by 0.592484 to go from feet per second to knots.

Common Foot per Second to Knot Conversions

Feet per Second (ft/s) Knots (kn)
1 ft/s 0.5925 kn
2 ft/s 1.18 kn
5 ft/s 2.96 kn
10 ft/s 5.92 kn
15 ft/s 8.89 kn
20 ft/s 11.85 kn
25 ft/s 14.81 kn
50 ft/s 29.62 kn
75 ft/s 44.44 kn
100 ft/s 59.25 kn
221 ft/s 130.94 kn
250 ft/s 148.12 kn
500 ft/s 296.24 kn
1,000 ft/s 592.48 kn
calculate Foot per Second to Knot Converter swap_horiz Knot to Foot per Second Converter functions Foot per Second to Knot Formula speed All Speed Conversions

Frequently Asked Questions

221 feet per second equals 130.94 knots.
The formula is: ft/s × 0.592484 = kn. See the ft/s to kn formula page for worked examples.
Use the knots to feet per second converter. The reverse formula is: kn × 1.687808 = ft/s.
The calculator uses the full-precision conversion factor for accuracy. Table values and displayed results are rounded for readability.
The conversion formula (ft/s × 0.592484 = kn) is based on internationally defined standards. Displayed results are rounded for readability, while the calculator uses the full-precision factor.
person Written by Sean Day verified Reviewed by UnitCompare update Last updated Mar 28, 2026