Engine Build Calculator

Bore, stroke, head cc & deck height → displacement and static compression ratio.

Engine Specs

Choose what to solve for, fill in the remaining values, then calculate.

Solve for

Engine Bore (mm)Engine Stroke (mm)Deck Height (mm)Combustion Chamber (cc)

Pick a variable to solve for, fill in the inputs, then press Calculate.

All metric (mm / cc). Static compression ratio — for dynamic CR factor in cam intake-close timing.