Turning Circle - Steady-State Radius

Steady-state turning-circle radius estimate using simplified Clarke-style formula - quick operational check for port entry.

Turning circleRadiusSteady state

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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

R \approx L \cdot f(\delta_R)

Symbol	Meaning	Unit
$L$	LBP	m
$\delta_R$	Rudder angle	deg

Source: Clarke D. - RINA 1983

Steady-state turning-circle radius estimate using simplified Clarke-style formula - quick operational check for port entry.