Millimeter of water conversions

Convert millimeters of water to

millimeter of water (unit of pressure), pl. millimeters of water, abbr. mmH2O

The millimeter of water conversion selector selects the pressure/stress measurement unit to convert to starting from millimeters of water (mmH2O). To make a conversion starting from a unit of pressure other than millimeter of water, simply click on the "Reset" button.

About millimeter of water

The millimeter of water is a unit of pressure equal to 9.80638 pascals (1 mmH2O = 9.80638 Pa), the SI derived unit of pressure.

The millimeter of water (mmH2O) is also equal to 0.0980638 hectopascals (hPa), or 0.00980638 kilopascals (kPa), or about 0.000096781 atmospheres (atm), or 0.0980638 millibars (mbar), or 0.073554 millimeters of mercury at 0 °C (mmHg), or 0.03937 inches of water at 4 °C (inH2O), or 0.0014223 pounds per square inch (psi), or 0.2048105 pounds per square foot (psf) or 0.073554 torr (Torr).

The millimeters of water is the pressure applied by a column of water one millimeter high at 4 °C in a gravitational field.

The millimeter of water is used to measure lung pressures.

Symbol: mmH2O

Plural: millimeters of water

Also called: millimetre of water (plural: millimetres of water, Int. spelling)

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