Fuel & Range Calculator
Estimate fuel consumption, range, and endurance for passage planning
Cruising: 60-75% | WOT: 85-100%
Results
Safe Cruising Range
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Fuel Consumption
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Nautical Miles per Gallon
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Usable Fuel (after reserve)
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Endurance (running time)
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Total Range (no reserve)
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Fuel Cost (est. @ $4/gal)
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Quick Distance Reference
| Speed | Range | Time | Fuel Used |
|---|
Fuel Consumption Rules of Thumb
Diesel Engines
• Roughly 0.055 GPH per HP at cruise
• Modern common rail: 0.04-0.05 GPH/HP
• Older mechanical: 0.06+ GPH/HP
Gasoline Engines
• Roughly 0.1 GPH per HP at cruise
• Outboards: 0.08-0.12 GPH/HP
• Sterndrives: 0.10-0.12 GPH/HP