## ››Convert inch of water column to gigapascal

 inch water column gigapascal

How many inch water column in 1 gigapascal? The answer is 4014630.7866177.
We assume you are converting between inch of water column and gigapascal.
You can view more details on each measurement unit:
inch water column or gigapascal
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.0040146307866177 inch water column, or 1.0E-9 gigapascal.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between inches water column and gigapascals.
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## ››Definition: Gigapascal

The SI prefix "giga" represents a factor of 109, or in exponential notation, 1E9.

So 1 gigapascal = 109 pascals.

The definition of a pascal is as follows:

The pascal (symbol Pa) is the SI unit of pressure.It is equivalent to one newton per square metre. The unit is named after Blaise Pascal, the eminent French mathematician, physicist and philosopher.

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