Ship Stability Calculator
Calculate vessel stability, metacentric height, and hydrostatic properties.
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Inputs
Ship Stability Formulas:
Metacentric Height (GM) = BM - KG
Righting Moment = Δ × GM × sin(θ)
Critical Stability: GM > 0.15 × Beam
Stable vessel requires GM > 0
Displacement (tonnes)
Length (m)
Beam (m)
Draft (m)
Block Coefficient (Cb)
Typical: 0.6-0.8 (container ship: 0.7, tanker: 0.8)
Center of Gravity Height (m from keel)
Heel Angle (degrees)
Calculate
Results
Enter ship parameters to calculate stability characteristics.
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