Free Marine Tools
Free calculators and career tools for merchant navy officers, engineers, cadets, and seafarers. Built by Marine Insight 360.
Marine CV Builder
Build a professional merchant navy CV step-by-step. Free preview, watermarked download, or upgrade to Officer Pro for clean PDFs.
Deck Officer Tools
Engine Officer Tools
Fuel Consumption Calculator
Estimate voyage fuel consumption and cost based on daily burn rate and distance.
Use tool →SFOC Calculator
Calculate Specific Fuel Oil Consumption (g/kWh) for marine diesel engines.
Use tool →Bunker Quantity Calculator
Convert bunker volume, density and temperature correction into approximate metric tonnes.
Use tool →Pumping Rate Calculator
Calculate transfer rate, remaining time, or required rate for cargo, ballast or bunkering operations.
Use tool →Career Tools
Compliance Tools
Report Tools
Need these tools for your vessel or fleet?
Marine Insight 360 / Vessel360 ERP includes PMS, crew, certificates, defects, inventory, purchase, QHSE, reports, document control, audit trails, and fleet dashboards.
Request ERP DemoThese tools are provided for general guidance only. Always verify results against company procedures, flag state requirements, class rules, and applicable maritime regulations.