HomeCalculatorsBodily Sinkage from Weight Addition

Bodily Sinkage from Weight Addition

Parallel sinkage (or rise) when a weight is added - Δdraft = w / TPC.

StabilityDraft
Parallel sinkage
11.1cm
Formula, assumptions, and limits

Valid for small parallel sinkage on a constant waterplane. For large additions, TPC itself changes with draft - iterate using the hydrostatic table.

Symbol legend

SymbolMeaningUnitSource
Added weighttmanifest
Tonnes per centimetre at current draftt / cmhydrostatic table
Parallel sinkagecmresult