›› Convert inch of water column to attopascal

inch water column

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How many inch water column in 1 attopascal? The answer is 4.0146307866177E-21.
We assume you are converting between inch of water column and attopascal.
You can view more details on each measurement unit:
inch water column or attopascal
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.0040146307866177 inch water column, or 1.0E+18 attopascal.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between inches water column and attopascals.
Type in your own numbers in the form to convert the units!

›› Quick conversion chart of inch water column to attopascal

1 inch water column to attopascal = 2.4908890833333E+20 attopascal

2 inch water column to attopascal = 4.9817781666667E+20 attopascal

3 inch water column to attopascal = 7.47266725E+20 attopascal

4 inch water column to attopascal = 9.9635563333333E+20 attopascal

5 inch water column to attopascal = 1.2454445416667E+21 attopascal

6 inch water column to attopascal = 1.49453345E+21 attopascal

7 inch water column to attopascal = 1.7436223583333E+21 attopascal

8 inch water column to attopascal = 1.9927112666667E+21 attopascal

9 inch water column to attopascal = 2.241800175E+21 attopascal

10 inch water column to attopascal = 2.4908890833333E+21 attopascal

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You can do the reverse unit conversion from attopascal to inch water column, or enter any two units below:

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›› Common pressure conversions

inch water column to kilogram-force/square millimeter
inch water column to kilobar
inch water column to water column
inch water column to meter of head
inch water column to centimeter of water
inch water column to centipascal
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inch water column to terapascal
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inch water column to hectobar

›› Definition: Attopascal

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

So 1 attopascal = 10-18 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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