**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 kilopond/square metre

inch of water to ton/square foot [long]

inch of water to gigapascal

inch of water to pound/square foot

inch of water to barye

inch of water to centipascal

inch of water to atmosphere [standard]

inch of water to sthene/square metre

inch of water to exapascal

inch of water to technical atmosphere