Piston Engine Calculator
(Created August 2016, slightly updated June 2017)

Red = System output boxes.
Green = User input boxes.

# of Cylinders:
Piston Bore (mm):
Piston Stroke (mm):
RPM:
BMEP (bar):
Basic Specific Weight:

Firing Strokes per Second:
Displacement (Liters):
Power (Watts):
Power (Horsepower):
Power Density (HP/L):
Adjusted Specific Weight (kg/L):

Engine Weight (kg):
Engine Power Density (hp/kg):






Load Pre-Determined Settings