This calculator works out the cubic inches of displacement and the clearance volume from bore, stroke and compression ratio of the engine.
| variable | description |
| bore | the bore diameter of the engine |
| stroke | the stroke length of the piston |
| compression ratio | the compression ratio of the engine |
| cylinders | the total number of cylinders |
| cubic inches | the total cubic inches of displacement |
| clearance volume | the clearance volume per piston |
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