Compression Ratio Calculator
Calculate an engine’s static compression ratio from swept volume and combustion chamber volume.
Enter your values and press Calculate.
How to use the Compression Ratio calculator
Calculate an engine’s static compression ratio from swept volume and combustion chamber volume. Enter your values above and press Calculate; the result appears instantly, and the formula used is shown below so you can check the working.
Formula
CR = (swept volume + clearance volume) ÷ clearance volume
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