Floodable Length Screen

Rough floodable-length estimate from freeboard and permeability for one-compartment-standard screening.

Damage stability

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

F_L \approx 0.35 \cdot L \cdot \sqrt{B_f / \mu}

Symbol	Meaning	Unit
$L$	Length between perpendiculars	m
$B_f$	Freeboard to bulkhead deck	m
$μ$	Compartment permeability

Source: SOLAS II-1 Reg 4–7 (deterministic damage stability); Derrett & Barrass Ch.23

Rough floodable-length estimate from freeboard and permeability for one-compartment-standard screening.