Heat Engine Efficiency Calculator
Compute heat-engine efficiency η = W/Q_in.
Input Data
Work Output
J
Heat Input
J
Results
η = W/Q_in.
30%
At a glance:η = W_out/Q_in (≤ 1 − T_c/T_h). Complements carnot-cycle and thermal-efficiency.
Formula
η = W_out / Q_in.
$$\eta = \frac{W}{Q_{in}} \times 100\%$$How to Use
- Enter work output and heat input.
- The tool returns efficiency.
Case Studies
W=300, Q_in=1000
η = 0.30.
FAQ
Upper bound?
Carnot efficiency 1 − T_c/T_h.
Related Tools
References
Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.