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Carnot Efficiency Calculator

Compute the ideal Carnot efficiency η = 1 − T_c/T_h.

Input Data

Cold Temp
K
Hot Temp
K

Results

η = 1 − T_c/T_h.
40%

At a glance:η = 1 − T_c/T_h (Carnot upper bound). Complements carnot-cycle and carnot-refrigerator.

Formula

η = 1 − T_c/T_h.

$$\eta = 1 - \dfrac{T_c}{T_h}$$

How to Use

  1. Enter T_c and T_h in Kelvin.
  2. The tool returns efficiency.

Case Studies

T_h=600, T_c=300

η = 0.5.

FAQ

Why Kelvin?

Ratios require absolute temperature.

Related Tools

References

Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.

Found a problem with the results?

If this calculator's result is wrong, or you have any question about the calculation logic, please let us know. You are viewing:Carnot Efficiency Calculator(/physics/carnot-efficiency)。