CoolProp Online Property Calculator
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This tool is based on the open-source thermophysical library CoolProp and computes, directly in your browser, common refrigerant thermodynamic properties—density, enthalpy, entropy, dynamic viscosity, thermal conductivity, isobaric specific heat and compressibility factor—at a given temperature and pressure. All calculations run locally in your browser: secure and instant.
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It supports mainstream refrigerants such as R134a, R410A, R32, R22, R404A, R407C, R290, R600a, R744 (CO₂), R717 (ammonia), R1234yf, plus low-GWP alternatives like R454B, R513A, R1233zd(E), R1234ze(E), R448A, R449A, R450A and R452A. Two modes are provided: "Known T & P" and "Saturated state".
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Usage notes
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- Input units: temperature in °C, pressure in bar. \\\\n
- If the given state falls inside the two-phase region (saturation dome), switch to "Saturated state" mode and enter temperature or pressure. \\\\n
- Results are for reference only; for critical conditions please validate against REFPROP or an authoritative property handbook. \\\\n
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