Orifice Sizing Calculator

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	Inlet Pressure   PSIA PSIG Inches Mercury Absolute Inches Water Absolute Bar Torr Atmosphere Kilopascals Outlet Pressure   PSIA PSIG Inches Mercury Absolute Inches Water Absolute Bar Torr Atmosphere Kilopascals Gas Type 29.000 Air 26.038 Acetylene 17.031 Ammonia (NH3) 39.948 Argon (Ag) 44.010 Carbon Dioxide (CO2) 28.010 Carbon Monoxide (CO) 28.054 Ethylene (C2H4) 4.0030 Helium (He) 146.00 Hexahydrochloric Acid 36.461 Hydrochloric Acid (HCl) 2.0160 Hydrogen (H2) 16.043 Methane (CH4) 50.488 Methyl Chloride (CH3Cl) 28.013 Nitrogen (N) 30.006 Nitric Oxide (NO) 44.000 Nitrous Oxide (N2O) 31.999 Oxygen (O2) 64.059 Sulfer Dioxide (SO2) Temperature   °F (Farenheit) °C (Celcius) °K (Kelvin) Flow Rate   std cubic cm/sec std cubic cm/min std cubic cm/hr std cubic ft/sec std cubic ft/min std cubic ft/hr std gal/sec std gal/min std gal/hr std liters/sec std liters/min std liters/hr std pounds/sec std pounds/min std pounds/hr std grams/sec std grams/min std grams/hr Hole Units Microns Inches     Submit