How many inch water column in 1 gigabar?
The answer is 401463078661.77.
We assume you are converting between inch of water column and gigabar.
You can view more details on each measurement unit: inch water column or
gigabar
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.0040146307866177 inch water column, or 1.0E-14 gigabar.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between inches water column and gigabars.
Type in your own numbers in the form to convert the units!

The SI prefix "giga" represents a factor of
10^{9}, or in exponential notation, 1E9.

So 1 gigabar = 10^{9} bars.

The definition of a bar is as follows:

The bar is a measurement unit of pressure, equal to 1,000,000 dynes per square centimetre (baryes), or 100,000 newtons per square metre (pascals). The word bar is of Greek origin, báros meaning weight. Its official symbol is "bar"; the earlier "b" is now deprecated, but still often seen especially as "mb" rather than the proper "mbar" for millibars.

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