⚙️
Compression Ratio Calculator
Calculate static engine compression ratio from cylinder displacement and clearance volumes
Formula: $\text{Compression Ratio} = \frac{\text{Swept Volume} + \text{Clearance Volume}}{\text{Clearance Volume}}$. Enter your engine cylinder specs below.
Engine Dimensions Input
Calculation Results
⚠️ Static compression ratio represents physical volume calculations. Dynamic compression ratio varies depending on camshaft intake valve closing timing.