Brake Mean Effective Pressure Calculator

Free calculate brake mean effective pressure (bmep) for internal combustion engines from power, displacement, and rpm.

Input Parameters

Results

Enter parameters to calculate BMEP

BMEP Formulas

BMEP Calculation

BMEP = (P × n) / (V × N)

Where P is power, n is strokes, V is displacement, N is RPM

Typical Values

  • • Naturally aspirated: 8-12 bar
  • • Turbocharged: 15-25 bar
  • • Diesel engines: 10-20 bar
  • • Racing engines: 20-30 bar

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