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Engine Displacement Calculator

Physics
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Calculates the total volume swept by the pistons in an engine. Engine displacement is the total volume of all the cylinders in an engine, measured in cubic centimeters (cc) or liters (L).

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Cylinder Bore (Diameter), Cylinder Stroke (Length), and Number of Cylinders in the units shown.

Step 2

Read Cylinder Volume (per cylinder) and Total Engine Displacement in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Small 4-cylinder

Cylinder Bore (Diameter): 3 inches; Cylinder Stroke (Length): 3 inches; Number of Cylinders: 4

Cylinder Volume (per cylinder): 21.2057325 cubic inches; Total Engine Displacement: 84.82293 cubic inches; Total Engine Displacement: 1.390001836 Liters

Typical V6

Cylinder Bore (Diameter): 3.5 inches; Cylinder Stroke (Length): 3.2 inches; Number of Cylinders: 6

Cylinder Volume (per cylinder): 30.787582 cubic inches; Total Engine Displacement: 184.725492 cubic inches; Total Engine Displacement: 3.02711511 Liters

Large V8

Cylinder Bore (Diameter): 4 inches; Cylinder Stroke (Length): 3.5 inches; Number of Cylinders: 8

Cylinder Volume (per cylinder): 43.98226 cubic inches; Total Engine Displacement: 351.85808 cubic inches; Total Engine Displacement: 5.765933543 Liters

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