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What is 21 Miles per Hour in Knots?
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Miles per Hour (m/h) Conversions
Miles per Hour to Knots Converter
21 mph to kn
21 mph
=
18.248501 kn
21 Miles per Hour is equal to 18.248501 Knots.
21 mph × 0.868976 = 18.248501 kn
Convert More Miles per Hour
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