mph to knots

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mph to knots

Postby Terry » Sun Mar 19, 2006 8:09 pm

How to convert mph to knots
Terry
 

Postby Guest » Sun Mar 19, 2006 9:13 pm

A mile is 1609.344 m
A nautical mile is 1852 m
(both values are exact definitions)

So

1 mph x1609.344 m/mi / 1852 m/n. mi = .868 976 24 knots

From knots to mph, multiply by 1852/1609.344 = 1.150 779 45

(0.87 and 1.15 are good enough for most work)
Guest
 


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