Compression ratio

Cyl count:
Piston travel:  mm
Rod length:  mm
Cylinder diameter:  mm
Piston gap:  mm
Volume in piston:  cm3
Volume in head gasket:  cm3
Volume in head:  cm3
   
Displacement:  cm3
R/S:
Cylinder volume:  cm3
Combustion volume:  cm3
   
Compression ratio: