How to use it
- Enter bore and stroke using the same unit.
- Enter the cylinder count.
- Calculate displacement in cc, liters and cubic inches.
Engine Displacement Calculator
Calculate swept volume from bore, stroke and cylinder count.
Important: This calculator provides estimates only. It is not safety, legal, mechanical, or professional automotive advice. Always follow manufacturer specifications and consult a qualified professional when needed.
About the Engine Displacement Calculator
This calculator estimates total swept cylinder volume from idealized bore and stroke dimensions.
Formula
Displacement equals π ÷ 4 × bore² × stroke × cylinders. Inputs are normalized to millimeters before conversion.
Example
An 86 mm bore and 86 mm stroke across four cylinders produces approximately 1,998 cc.
Notes
This geometric result does not describe power, condition, tolerances or suitability and is not a repair or modification instruction.