Skip to main content
CaptainsGround

Nautical glossary

GM (Metacentric Height)

The vertical distance between the centre of gravity (G) and the metacentre (M); a positive GM indicates stable equilibrium.

Defined for the USCG captain’s exam · cited & verified
Every answer cited & verifiedAll 4 USCG exam modules4,000+ judge-verified questions

Related terms

Know the term? Now drill it.

No signup, no credit card — answer 5 real, cited exam questions right now.

GM (Metacentric Height) — Nautical Glossary · CaptainsGround