Thermodynamics TEMPERATURE AND PRESSURE MEASUREMENTSTemperature and Pressure Scales Summary (Cont.)Converting between the different pressure units can be done using the followingconversions. 14.7 psia = 408 inches of water 14.7 psia = 29.9 inches of mercury 1 inch of mercury = 25.4 millimeters of mercury 1 millimeter of mercury = 103 microns of mercuryRev. 0 Page 13 HT-01