Bulk Carrier CII

CII for bulk carriers - Handysize, Handymax, Supramax, Ultramax, Panamax, Kamsarmax, Post-Panamax, Capesize. MEPC.353(78) reference line (a=4745, c=0.622). DWT-based across all sizes.

Ship typeBulker

Ship & voyage

DeadweightDWTHandysize 20-40k, Supramax 50-60k, Panamax 65-80k, Capesize 150k+.Distance / yearnmYear

Fuel

Bulkers typically burn VLSFO on main; MGO in ECAs and at manoeuvring.

FuelMasst

Attained CII: 2.532g CO₂ / (dwt·nm)

Required CII: 3.792g CO₂ / (dwt·nm)

Rating: A

Major superior performance. No corrective action required.

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

\text{CII}_\text{required} = 4745 \cdot \text{DWT}^{-0.622} \cdot (1 - Z)

Symbol	Meaning	Unit
$DWT$	Deadweight	t
$Z$	Annual reduction	fraction

Source: IMO MEPC.353(78), MEPC.338(76) as amended by MEPC.400(83), and MEPC.354(78); BIMCO bulker CII operational guidance

In short

CII rating for bulk carriers using the MEPC.353(78) reference line (a=4745, c=0.622) and MEPC.354(78) bulk-carrier d-boundaries.

Learn the theory Bulk Carrier Size Classes Explained