Superyacht Fuel & CO₂

Yachts 30–180 m. Outside CII scope but increasingly audited by owners and charterers against a CO₂-per-day or per-guest-night intensity.

Ship typeYachtSuperyacht

Operational year

Running days / yeardSuperyachts average 60–120 running days; balance at berth on shore power.Operating daysd

Fuel

FuelMasst

Annual CO₂: 2,725.1t

Daily fuel: 8.95t/day

CO₂ per running day: 30.279t / day

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{CO}_2^\text{year} = \sum_j F_j \cdot C_{f,j}

Symbol	Meaning	Unit
$F_j$	Mass of fuel $j$	t
$C_{f,j}$	CO₂ factor	t CO₂ / t fuel
$Bench (Running days / year)$	operational benchmark	d
$d_\text{op}$	Operating days	d

Source: SYBAss YETI - Yacht Environmental Transparency Index; IMO MEPC.364(79) - Cf conversion factors

In short

Yachts 30–180 m.

Learn the theory Specialised Ship Types: Ro-ro, Reefer, Heavy-Lift