How many inch water column in 1 atmosphere?
The answer is 406.78246445404.
We assume you are converting between inch of water column and atmosphere [standard].
You can view more details on each measurement unit: inch water column or
atmosphere
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.0040146307866177 inch water column, or 9.8692326671601E-6 atmosphere.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between inches water column and atmospheres.
Type in your own numbers in the form to convert the units!

››Quick conversion chart of inch water column to atmosphere

1 inch water column to atmosphere = 0.00246 atmosphere

10 inch water column to atmosphere = 0.02458 atmosphere

50 inch water column to atmosphere = 0.12292 atmosphere

100 inch water column to atmosphere = 0.24583 atmosphere

200 inch water column to atmosphere = 0.49166 atmosphere

500 inch water column to atmosphere = 1.22916 atmosphere

1000 inch water column to atmosphere = 2.45832 atmosphere

The standard atmosphere (symbol: atm) is a unit of pressure defined as 101325 Pa (1.01325 bar). It is sometimes used as a reference pressure or standard pressure. It is approximately equal to Earth's atmospheric pressure at sea level.

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