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pound/square inch pound/square inch [gauge] pound/square inch [absolute] |
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newtons/(sq. millimeter) |

How many pound per square inch in 1 newtons/(sq. millimeter)?
The answer is 145.037738007.

We assume you are converting between **pound/square inch [gauge]** and **newton/square millimetre**.

You can view more details on each measurement unit:

pound per square inch or
newtons/(sq. millimeter)

The SI derived unit for **pressure** is the pascal.

1 pascal is equal to 0.000145037738007 pound per square inch, or 1.0E-6 newtons/(sq. millimeter).

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between pounds/square inch and newtons/square millimeter.

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You can do the reverse unit conversion from newtons/(sq. millimeter) to pound per square inch, or enter any two units below:

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Psig (pound-force per square inch gauge) is a unit of pressure relative to the surrounding atmosphere. By contrast, psia measures pressure relative to a vacuum (such as that in space). At sea level, Earth's atmosphere actually exerts a pressure of 14.7 psi. Humans do not feel this pressure because internal pressure of liquid in their bodies matches the external pressure. If a pressure gauge is calibrated to read zero in space, then at sea level on Earth it would read 14.7 psi. Thus a reading of 30 psig on a tire gauge represents an absolute pressure of 44.7 psi.

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