What you provide
What you provide
- Hot reservoir temperature expressed in K, using the same scenario as the other inputs
- Cold reservoir temperature expressed in K, using the same scenario as the other inputs
PHYSICS / THERMODYNAMICS
Carnot Efficiency Calculator
Calculate the maximum theoretical heat-engine efficiency between two reservoirs. See the governing equation, substituted values, result, assumptions, and interpretation in one guided workspace.
- 01 Calculated in this tab
- 02 Values stay in this browser tab
- 03 Use boundary
Use boundary
Calculation path
Calculate the maximum theoretical heat-engine efficiency between two reservoirs. The page evaluates the displayed equation from your supplied values and presents both symbolic and substituted KaTeX working so the arithmetic can be checked.
Calculation path
eta=1-Tc/Th
What you receive
What you receive
- Maximum efficiency in % from the stated equation
- A symbolic formula plus substituted working with your values
- Visible assumptions, field guidance, and an authoritative learning reference
Use boundary
Choose the maximum decimal places shown. This does not increase source accuracy.
Temperatures are absolute and the engine is an ideal reversible Carnot engine.
Use internally consistent units and retain extra precision when carrying the result into another calculation.
Reviewed reference factors