Marine & Nautical

Basic

Speed in Knots

One knot is one nautical mile per hour.

Formula

v = \frac{d}{t}

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Variables

vSpeed (knots)

dDistance (nm)

tTime (h)

Example

30 nm in 4 h: v = 7.5 knots

Did You Know?

'Knots' comes from sailors counting knots on a rope paid out behind the ship over a timed interval.

marine knot speed

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