This is the common formula used to arrive at Static compression. Note: 16.387 is a number than converts cubic inches to cc's.
| Displacement = | (Bore ÷ 2)2 x 3.14 x Stroke x 16.387 |
| Head Gasket space = | (Bore ÷ 2)2 x 3.14 x Gasket thickness x 16.387064 |
| Deck Height space = | (Bore ÷ 2)2 x 3.14 x Deck Height x 16.387064 |
| Compressed Volume = | Head Gasket space + Deck Height space + Piston Top volume + Combustion chamber volume |
| Uncompressed Volume = | Compressed Volume + Displacement |
| Compression Ratio = | Uncompressed volume ÷ Compressed volume |