**Full name:** inch of water [4 °C]

**Plural form:** inches of water

**Symbol:** inH2O

**Alternate spelling:** in of water

**Category type:** pressure

**Scale factor:** 249.08890833333

The SI derived unit for pressure is the pascal.

1 pascal is equal to 0.0040146307866177 inch of water.

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

You can use this form to select from known units:

inch of water to kip/square inch

inch of water to meganewton/square metre

inch of water to zettapascal

inch of water to dekapascal

inch of water to water column [centimeter]

inch of water to exabar

inch of water to decipascal

inch of water to meter of air [0 °C]

inch of water to terabar

inch of water to centipascal