What will this trip cost in fuel?
SFC estimate, not a sea trial. Pick an engine preset or enter horsepower.
Cruise burn
10.5 gph
WOT 16.13 gph · gas rule of thumb 20 gph (hp/10)
Per hour
$34
4-hour trip
$134
Annual fuel
$1,677
SFC estimate, not a sea trial. Gasoline uses 0.50 lb/hp-hr and 6.2 lb/gal; diesel uses 0.40 and 6.9. Prop, hull, and load will move real burn.
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Questions
- How is gallons per hour estimated?
- gph at wide-open throttle is specific fuel consumption times horsepower times engines, divided by fuel specific weight. Cruise gph is that figure times a load factor (default 65%).
- Is this a sea-trial number?
- No. It is an SFC estimate, not a sea trial. Use it to size a budget, then confirm with a fuel-flow meter or a measured run.