Quick answer
SkipperCalc has 4 sourced Formula configurations in the picker. Use them as a starting point when you do not know your exact fuel burn, and replace the figure with your measured burn when you can.
- Formula 350 CBR · 2 × Mercury Race
- Formula 380 CCS · 3 × Mercury 500R
- Formula 400 SSC · 4 × Mercury 400R
- Formula 350 CBR · 3 × Mercury Verado
Practical rule: compare L/nm or €/nm, not only L/h, because speed changes cost per mile.
Calculate with a listed configuration
Open “Choose my boat”, select the brand and model, and the calculator will use interpolated fuel burn inside the published speed range.