Compression Ratio Calculator
Enter the variables listed below. All measurement are in inches with the exception of the "Head cc's" and "Piston Notch or Dome cc's". If the piston has a "Notch" or "Dished" top, enter the variable as a positive number. If the piston has a "Dome", enter the variable as a negative number (type a "-" sign in front of the number). If the piston is a flat top, just enter the number zero (0).
After all variables have been entered, Click the "Calculate" button and view the results in the lower table.