Hull Cleaning ROI
Payback of an in-water hull cleaning - days to recover cost via the fuel saved on the resistance reduction.
Daily fuel saving
1,260USD/day
Payback
14.3days
Annual value
352,800USD
Formula, assumptions, and limits
Valid only while the benefit holds - fouling re-accumulates. Track with ISO 19030 to know when the next clean is needed. 5 % savings typical for 6-month-old AF coating; 10 %+ for older fouled hulls.
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| Daily fuel before clean | t/day | noon report | |
| Fuel saving fraction | - | post-clean measurement | |
| Bunker price | USD/t | bunker index |