FREE ONLINE CALCULATOR

Engine Displacement Calculator

Calculate four-stroke engine swept displacement in cubic inches, cubic centimeters and liters.

✓ Instant results ✓ Editable inputs ✓ Formula explained

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AUTOMOTIVE · TOOLS

ROAD READY Practical inputs · Clear cost estimates

CALCULATION TOOL

Engine Displacement Calculator

Change any value and calculate again.

Uses the values you enter. No account required.

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HOW IT WORKS

The calculation

Engine displacement (in³) = π/4 × bore² × stroke × number of cylinders; liters = cubic inches × 0.016387064.

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ASSUMPTIONS

Know the limitations

Nominal geometrical swept displacement; excludes combustion chamber and clearance volume.

Results are estimates derived from your inputs.

ABOUT THIS TOOL

When to use a engine displacement calculator

Calculate four-stroke engine swept displacement in cubic inches, cubic centimeters and liters.

All assumptions are visible and adjustable. Check rates and underlying data against original sources before making a decision.