Skip to content
Press Equals

Compression Ratio Calculator

Calculate an engine’s static compression ratio from bore, stroke, chamber volume, head gasket, deck clearance and piston volume.

Result

As a number

9.79

Compression ratio
9.79:1
Swept volume per cylinder
716.7cc
Clearance volume
81.55cc
Gasket volume
8.49cc
Deck volume
4.05cc