Engine Compression Ratio Calculator
Bore/Stroke Unit
Enter Cylinder Bore Size
Piston Stroke Length
Head Gasket Bore Diameter
Compressed Head Gasket Thickness
Enter Combustion Chamber Volume In CCs
Enter Piston Dome Volume In CCs
Enter Piston Deck Clearance
Calculated Engine Compression Ratio
Total Displacement Volume
Compression Ratio
The compression ratio is the total swept volume of the cylinder with the piston at bottom dead center (BDC), divided by the total compressed volume with the piston at top dead center (TDC).
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