Marine Fuel Calculator

Marine ROB Calculator is a professional tool designed for seafarers to track fuel and oil remaining on board (ROB).

FEATURES:
- Track HFO, VLSFO, MDO, Lube Oil, Sludge and Custom fuel tanks
- Daily fuel consumption log with edit and delete
- Bunker log with full history
- SFOC calculator — compare ME/AE engine consumption at different speeds and loads
- Fuel endurance calculator by fuel type
- Contract progress tracker with history
- Salary calculator — track earned and remaining pay
- Export ROB report
- 5 languages: English, Filipino, Russian, Ukrainian, Hindi
- Dark and Light theme
- All data stored locally on your device — no account needed

DESIGNED FOR:
Engineers, officers and crew who need a quick and reliable way to track fuel consumption and plan voyages.

Built for the people who keep ships moving.