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What is the conversion inch to mm?
2015-07-14 16:58:38 admin

A: Air Pressure

i. 1 Pa = 0.102mmH2O (mm-Aq)

ii. 1 mm-H2O = 9.8 Pa

iii. 1 inch-H2O = 25.4 mm H2O = 249 Pa

iv. 1 mm H2O = 0.0394 inch- H2O