Pressure Equivalents First, type the number you want to convert here:  Then, click radio buttons for the conversion: From: megadynes/ sq cm kg/ sq cm lb/ sq in atmos- pheres Hg* Meters Hg* Inches H2O* Meters H20* Inches H20* Feet To: megadynes/ sq cm kg/ sq cm lb/ sq in atmos- pheres Hg* Meters Hg* Inches H2O* Meters H2O* Inches H20* Feet *Standard columns of Mercury at 0o C, g = 980.665 cm/sec/sec Standard columns of Water at 60o F, g = 32.1756 ft/sec/sec

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