Mollier Chart for Water - Imperial Units

Interactive Mollier chart for water using imperial units. This tool provides thermodynamic properties and state data for water in imperial measurement units (BTU, °F, psia, etc.). Useful for HVAC systems, steam calculations, and thermodynamic analysis.

Temperature (°F)	Pressure (psia)	Enthalpy (BTU/lbm)	Entropy (BTU/lbm·°R)	Specific Volume (ft³/lbm)
32	0.089	0	0	0.01602
50	0.178	18.07	0.0361	0.01613
100	0.949	68	0.1295	0.01613
150	3.718	117.89	0.216	0.0162
200	11.526	167.99	0.2939	0.01633
212	14.696	180.07	0.3121	0.01645
250	29.825	217.71	0.3674	0.01668
300	67.013	298.4	0.4743	0.01745
350	134.63	379.04	0.5686	0.01837
400	247.257	449.2	0.649	0.01975
450	422.64	507.07	0.7126	0.02164
500	680.866	449.51	0.7086	0.02744