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

Units of measurement

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Millimeters of water (mmH2O)
Atmosphere (atm)
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Information

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.
Atmosphere (atm)
Atmosphere (atm) — a unit of pressure based on the average atmospheric pressure at sea level, equal to 101,325 pascals.

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