**Full name:** centimeter of water [4 °C]

**Plural form:** centimeters of water

**Symbol:** cmH2O

**Alternate spelling:** cm of water

**Category type:** pressure

**Scale factor:** 98.0665

The SI derived unit for pressure is the pascal.

1 pascal is equal to 0.010197162129779 centimeter of water.

Valid units must be of the **pressure** type.

You can use this form to select from known units:

centimeter of water to foot of air [0 °C]

centimeter of water to millibar

centimeter of water to attopascal

centimeter of water to meter of head

centimeter of water to poundal/square foot

centimeter of water to picopascal

centimeter of water to terapascal

centimeter of water to sthene/square metre

centimeter of water to gigabar

centimeter of water to hectobar