# Centimeter of water conversions

The centimeter of water conversion selector here selects the pressure/stress measurement unit to convert to starting from centimeters of water (cmH2O). To make a conversion starting from a unit of pressure other than centimeter of water, simply click on the "Reset" button.

## About centimeter of water

The **centimeter of water** is a unit of pressure equal to 98.0638 pascals (1 cmH_{2}O = 98.0638 Pa), the SI derived unit of pressure.

The centimeter of water (cmH_{2}O) is also equal to 0.980638 hectopascals (hPa), or 0.0980638 kilopascals (kPa), or about 0.00096781 atmospheres (atm), or 0.980638 millibars (mbar), or 0.73554 millimeters of mercury at 0 °C (mmHg), or 0.3937 inches of water at 4 °C (inH_{2}O), or 0.014223 pounds per square inch (psi), or 2.048105 pounds per square foot (psf) or 0.73554 torr (Torr).

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

The centimeter of water is used to measure pressures during mechanical ventilation, the central venous pressure, the intracranial pressure, etc.

Symbol: cmH_{2}O

Plural: centimeters of water

Also called: centimetre of water (plural: centimetres of water, Int. spelling)