Engine Displacement Calculator

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This Engine Displacement Calculator provides calculations for engine displacement based on either the metric or US standard system.

Engine displacement is determined by calculating the engine cylinder bore area multiplied by the stroke of the crankshaft, and then multiplied by the number of cylinders.

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Engine displacement is determined by calculating the engine cylinder bore area multiplied by the stroke of the crankshaft, and then multiplied by the number of cylinders. This will result in the overall volume of air displaced by the engine.

For example, if we have a bore of 4 inches and a stroke length of 3.52 inches on an 8-cylinder engine:

  • Displacement = (4 in./2) x (4 in./2) x 3.1416 x 3.52 in. x 8 = 353.86 cubic inches.

 

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These tools provide mathematical calculations only. The instructional videos are intended only to provide guidance on how the calculators operate and are illustrative only. Neither the calculators nor the associated videos are intended to provide advice or information on vehicle operation, maintenance or safety. Dana makes no representation as to what equipment or use is appropriate for any specific vehicle.

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