GV (Head Gasket Volume) = Bore(in) x Bore(in) x 12.87 x
(Head Gasket Thickness in Inches)

DV(Below Deck Volume) = Bore(in) x Bore(in) x 12.87 x
(Inches Below the Deck)

HV(Head Volume) = CC's

VV(Dish, Valve Pocket, Dome Volume) = CC's
(Minus for dish or valve pockets, Plus for dome)

PV(Volume displaced by Piston) = Bore X Bore X Stroke X 12.87

Compression Ratio = (GV+DV+HV-VV+PV) / (GV+DV+HV-VV)

Cubic Inches = Bore x Bore x Stroke x Number of Cylinders x .7854

Convert Cubic Inches to CCs = Cubic Inches x 16.386

Convert Cubic Inches to Liters = Cubic Inches x .016386

Engine in Liters = (Bore(mm) x Bore(mm) x Stroke(mm) x # of Cyls. x
12.87) / (16386 x 1000)

Engine in CCs = (Bore(mm) x Bore(mm) x Stroke(mm) x # of Cyls. x
12.87) / 16386

Convert CCs to Cubic Inches = CCs / 16.386
Convert Liters to Cubic Inches = Liters / .016386