KEN O’CONNOR RACING
Engine Displacement Calculator
Enter the bore, stroke and number of cylinders.
Engine Measurements
Calculated Displacement
Total Engine Displacement
195.0
cc
Cubic Inches
11.90 cu in
195.0 cc per cylinder
Formula:
π ÷ 4 × bore² × stroke × cylinders
π ÷ 4 × bore² × stroke × cylinders
Measurement Note
Measure the actual cylinder bore and crankshaft stroke.
Do not use piston size or connecting-rod length. The result
is swept displacement and does not include combustion-chamber volume.