Thermal Efficiency Calculator

The Carnot efficiency is the theoretical maximum efficiency of a heat engine operating between a hot and cold reservoir.

η = 1 − T_c / T_h
  • η = Carnot efficiency
  • T_c = cold reservoir (K)
  • T_h = hot reservoir (K)

Inputs

Result

Enter values and press Calculate.
η = 1 − T_c / T_h

For educational and general reference only. Results depend on the accuracy of the values entered and are rounded to the selected precision. Verify critical designs with a qualified engineer and applicable codes. Full disclaimer

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