Slow-Steaming GHG - CII Rating Sensitivity

CII sensitivity to speed reduction - cubic fuel-speed relationship improves CII but reduces transport work.

CIISlow steamingSensitivity

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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

\text{CII ratio} = \left(\frac{v_1}{v_0}\right)^3 \cdot \frac{v_0}{v_1} = \left(\frac{v_1}{v_0}\right)^2

Symbol	Meaning	Unit
$v_0, v_1$	Baseline and new speeds	kn

Source: IMO MEPC.336(76)

CII sensitivity to speed reduction - cubic fuel-speed relationship improves CII but reduces transport work.