Engine Displacement Calculator
Swept volume from bore, stroke and cylinder count.
Runs in your browser — nothing is uploaded—
Details
How to use Engine Displacement Calculator
- Enter your values — the unit for each field is shown next to it.
- The result updates instantly as you type.
- Copy the results, or change inputs to compare scenarios.
Formula & assumptions
Volume = π/4 × bore² × stroke × cylinders
Example: 86 mm bore and stroke across four cylinders give about 1,998.23 cc.
Questions
Does displacement tell me horsepower?
No. This is geometric swept volume; performance depends on many additional engine and operating factors.