Physics

Engine Displacement Calculator

Find total engine displacement from bore, stroke and cylinders.

Bore

Stroke

Cylinders

Calculated Output

Displacement (cc) 1,998.23

Displacement 1.998

Formula: V = (π/4)·bore²·stroke·cylinders

Step-by-Step Breakdown

1. Values used:

2. Bore = 86

3. Stroke = 86

4. Cylinders = 4

6. Displacement = 1,998.23cc

7. Displacement = 1.998

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The math behind it

Each cylinder sweeps (π/4)·bore²·stroke; multiply by the number of cylinders.

86 mm bore and stroke, 4 cylinders → about 1998 cc (2.0 L).

Bore vs stroke?

Bore is the cylinder diameter; stroke is the piston travel distance.