**Full name:** inch of water column

**Plural form:** inches water column

**Symbol:** inch wc

**Alternate spelling:** inches of water column

**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 column.

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

You can use this form to select from known units:

inch of water column to poundal/square foot

inch of water column to meter of head

inch of water column to kilogram/square centimetre

inch of water column to hectobar

inch of water column to millibar

inch of water column to centimeter of water [4 °C]

inch of water column to millimeter of water [4 °C]

inch of water column to kip/square foot

inch of water column to centibar

inch of water column to centimeter mercury [0 °C]