Marine & Nautical

Basic

Estimated Time of Arrival

Voyage time from distance and speed over ground.

Formula

t = \frac{d}{v}

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Variables

tTime (h)

dDistance (nm)

vSpeed (knots)

Example

600 nm at 12 knots: t = 50 h

Did You Know?

Currents and weather mean the actual passage often differs from this simple estimate by hours.

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More in Marine & Nautical

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