Anchor Chain - Horizontal Tension & Sag

Catenary equation for anchor chain - horizontal tension at fairlead given chain weight per metre and water depth.

CatenaryAnchorChain

Loading calculator…

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

a = H/w, \quad s = \sqrt{d(2a + d)}

Symbol	Meaning	Unit
$H$	Horizontal tension at fairlead	kN
$w$	Chain weight per unit length in water	kN/m
$d$	Water depth to fairlead	m

Source: OCIMF Mooring Equipment Guidelines 4

Catenary equation for anchor chain - horizontal tension at fairlead given chain weight per metre and water depth.