The unit "inch of water [4 °C]" is a common misspelling for inch of water [4 °C].
Full name: inch of water [4 °C]
Plural form: inches of water
Symbol: inH2O
Alternate spelling: in of water
Category type: pressure
Scale factor: 249.088908333
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.00401463078662 inch of water [4 °C].
Valid units must be of the pressure type.
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