Atmosphere (atm)Millimeters of water (mmH2O)00GeneralPressure

Units of measurement

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Atmosphere (atm)
Millimeters of water (mmH2O)
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Information

Atmosphere (atm)
Atmosphere (atm) — a unit of pressure based on the average atmospheric pressure at sea level, equal to 101,325 pascals.
Millimeters of water (mmH2O)
Millimeters of water (mmH2O) — a unit of pressure equal to the pressure exerted by a 1-millimeter high column of water. Used in hydrostatics and water systems.

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