TPC from Waterplane Simpson's Rule

Tonnes per centimetre (TPC) at any draft from waterplane-area ordinates using Simpson's composite rule - the hydrostatic table entry for draft sensitivity.

TPCWaterplaneSimpson

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Waterplane area A_w: 2,800.0m²

TPC: 28.700t/cm

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

TPC = \frac{A_w \cdot \rho}{100000}

Symbol	Meaning	Unit
$A_w$	Waterplane area (full)	m²
$\rho$	Water density	kg/m³

Source: Rawson & Tupper Vol 1 - Geometry

In short

Tonnes per centimetre (TPC) at any draft from waterplane-area ordinates using Simpson's composite rule - the hydrostatic table entry for draft sensitivity.

Learn the theory Intact stability