Cubic Capacity Correction (fcᵤbᵢc)

Chemical-tanker EEDI correction. High cargo-tank/DWT ratios mean DWT understates capacity; fcᵤbᵢc compensates so chemical carriers aren't unfairly penalised vs crude tankers.

IMODesignMEPC.1/Circ.866

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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

f_\text{cubic} = \max\left(1, \frac{V / \text{DWT}}{1.7}\right)

Symbol	Meaning	Unit
$f_\text{cubic}$	Correction multiplier
$V$	Total cargo volume	m³
$DWT$	Design deadweight	t

Source: IMO MEPC.1/Circ.866 (with revisions)

In short

Compute the indicative fcᵤbᵢc correction factor for chemical tankers under IMO MEPC.1/Circ.866.

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