Bore × stroke × cylinders → displacement in cc, litres and cubic inches.
Bore is the cylinder diameter, stroke is the piston travel — both in millimetres.
Enter how many cylinders the engine has.
Total displacement is shown in cc, litres and cubic inches.
Displacement = π/4 × bore² × stroke × number of cylinders. With bore and stroke in millimetres the result is in cubic millimetres; divide by 1000 for cc.
1000 cc = 1.0 litre. A 1984 cc engine is marketed as 2.0 L.
Divide cc by 16.387. For example 1984 cc ≈ 121 ci.
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