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What is 21 Feet per Second in Knots?
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Feet per Second (ft/s) Conversions
Feet per Second to Knots Converter
21 ft/s to kn
21 ft/s
=
12.44216 kn
21 Feet per Second is equal to 12.44216 Knots.
21 ft/s × 0.592484 = 12.44216 kn
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