Calculate engine displacement in cc, liters, and cubic inches from bore, stroke, and cylinder count.
Engine displacement is the total swept volume of all pistons in an engine, measured in cubic centimeters (cc), liters, or cubic inches. A larger displacement generally means more potential power and torque output.
| Engine | Bore × Stroke | Displacement |
|---|---|---|
| 1.5L I4 (Economy) | 73.0×89.2mm / 4cyl | 1.5L |
| 2.0L I4 (Performance) | 86.0×86.0mm / 4cyl | 2.0L |
| 3.5L V6 (Mid-size) | 94.0×83.1mm / 6cyl | 3.5L |
| 5.7L V8 (HEMI) | 99.5×90.9mm / 8cyl | 5.7L |
| 6.2L V8 (LS3) | 103.3×92.0mm / 8cyl | 6.2L |
| 6.7L I6 Diesel | 107.0×124.0mm / 6cyl | 6.7L |
Formula
Displacement = (π ÷ 4) × Bore² × Stroke × Number of CylindersBore = diameter of each cylinder in mm (converted to cm by dividing by 10)
Stroke = piston travel distance in mm (divided by 10 for cm)
π ÷ 4 = approximately 0.7854 — relates diameter to cross-sectional area
Worked Example
4-cylinder engine with 86mm bore and 86mm stroke
Did you know? Engine displacement is the primary factor used by governments worldwide to calculate vehicle registration taxes and insurance categories. In many European countries, engines over 2.0L face significantly higher annual tax rates.
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