## ››Convert attopascal to ounce/square inch

 attopascal ounce/square inch

How many attopascal in 1 ounce/square inch? The answer is 4.3092233E+20.
We assume you are converting between attopascal and ounce/square inch.
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attopascal or ounce/square inch
The SI derived unit for pressure is the pascal.
1 pascal is equal to 1.0E+18 attopascal, or 0.0023206038081155 ounce/square inch.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between attopascals and ounces/square inch.
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## ››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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