Sailing Performance

VMG Calculator

Calculate velocity made good toward a target from boat speed and the angle between your course and the target bearing. It shows how much of your speed is useful progress.

i

Use speed through the water or over the ground consistently with the target bearing you are assessing.

kt
Use speed through the water or over the ground consistently with the target bearing you are assessing.
i

The smallest angle between the boat's course and the direct bearing to the target.

°
The smallest angle between the boat's course and the direct bearing to the target.

Result

Velocity made good
5.36 kt

Positive VMG is progress toward the target.

Boat speed
7.0 kt
Angle to target
40°

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