Professional Steam Tables
Properties Calculator & Reference
Comprehensive steam tables and properties calculator for professional steam system design, boiler engineering, and industrial applications. Accurate thermodynamic properties for precise engineering calculations.
Steam Properties Calculator
Calculate steam and water properties for professional engineering applications
Input Parameters
Steam Properties
Temperature (°F)
Pressure (PSIG)
Enthalpy (BTU/lb)
Entropy (BTU/lb°R)
Spec. Volume (ft³/lb)
Density (lb/ft³)
Professional Engineering
These calculations are based on ASME steam tables. For critical applications, verify with official standards and consult with professional engineers.
Reference Steam Tables
Quick reference tables for common steam system pressures and temperatures
Saturated Steam Properties
| Pressure (PSIG) |
Pressure (PSIA) |
Temperature (°F) |
Enthalpy Liquid (BTU/lb) |
Enthalpy Vapor (BTU/lb) |
Enthalpy Evaporation (BTU/lb) |
Specific Volume (ft³/lb) |
|---|---|---|---|---|---|---|
| 0 | 14.7 | 212.0 | 180.1 | 1150.4 | 970.3 | 26.80 |
| 5 | 19.7 | 227.9 | 196.2 | 1156.0 | 959.8 | 20.09 |
| 10 | 24.7 | 240.1 | 208.5 | 1160.6 | 952.1 | 16.31 |
| 15 | 29.7 | 250.3 | 218.9 | 1164.1 | 945.2 | 13.75 |
| 20 | 34.7 | 259.3 | 227.9 | 1167.2 | 939.3 | 11.90 |
| 30 | 44.7 | 274.4 | 243.4 | 1172.2 | 928.8 | 8.52 |
| 40 | 54.7 | 287.1 | 256.3 | 1176.3 | 920.0 | 6.59 |
| 50 | 64.7 | 298.0 | 267.5 | 1179.7 | 912.2 | 5.33 |
| 60 | 74.7 | 307.6 | 277.4 | 1182.6 | 905.2 | 4.43 |
| 80 | 94.7 | 324.1 | 294.6 | 1187.2 | 892.6 | 3.01 |
| 100 | 114.7 | 337.9 | 309.3 | 1190.9 | 881.6 | 2.22 |
| 125 | 139.7 | 353.0 | 324.6 | 1194.8 | 870.2 | 1.79 |
| 150 | 164.7 | 366.4 | 338.4 | 1198.1 | 859.7 | 1.49 |
| 200 | 214.7 | 387.9 | 362.1 | 1202.8 | 840.7 | 1.16 |
| 250 | 264.7 | 406.0 | 382.8 | 1206.6 | 823.8 | 0.95 |
Pressure-Temperature Reference
Low Pressure
0 PSIG = 212°F
5 PSIG = 228°F
10 PSIG = 240°F
15 PSIG = 250°F
Medium Pressure
50 PSIG = 298°F
100 PSIG = 338°F
125 PSIG = 353°F
150 PSIG = 366°F
High Pressure
200 PSIG = 388°F
250 PSIG = 406°F
300 PSIG = 422°F
400 PSIG = 449°F
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