Fastime Performance Piston Compression Ratio Calculator

Linear dimensions use the selected unit (in or mm). Volumes are in cc.

Units:

Results

Compression Ratio 10.84 : 1
Displacement 355.1 cid 5.82 L
Swept Volume / Cylinder 727.4 cc (cubic centimeters)
Clearance Volume / Cylinder 73.9 cc at TDC

Formula: CR = (Swept Volume + Clearance Volume) ÷ Clearance Volume