## ››Convert inch water [4 °C] to attobar

 inch water attobar

How many inch water in 1 attobar? The answer is 4.0146307866177E-16.
We assume you are converting between inch water [4 °C] and attobar.
You can view more details on each measurement unit:
inch water or attobar
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.0040146307866177 inch water, or 10000000000000 attobar.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between inches water and attobars.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of inch water to attobar

1 inch water to attobar = 2.4908890833333E+15 attobar

2 inch water to attobar = 4.9817781666667E+15 attobar

3 inch water to attobar = 7.47266725E+15 attobar

4 inch water to attobar = 9.9635563333333E+15 attobar

5 inch water to attobar = 1.2454445416667E+16 attobar

6 inch water to attobar = 1.49453345E+16 attobar

7 inch water to attobar = 1.7436223583333E+16 attobar

8 inch water to attobar = 1.9927112666667E+16 attobar

9 inch water to attobar = 2.241800175E+16 attobar

10 inch water to attobar = 2.4908890833333E+16 attobar

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## ››Definition: Attobar

The SI prefix "atto" represents a factor of 10-18, or in exponential notation, 1E-18.

So 1 attobar = 10-18 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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