How are mm Hg, torr, psi, atm, and Pa related to each other mathematically?

I think this link has all of them listed

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mm Hg (millimeters of mercury), torr, psi (pounds per square inch), atm (atmospheres), and Pa (pascals) are all units of pressure. They can be related to each other mathematically through conversion factors. Here are the conversion factors:

1 atm = 760 mm Hg (or 760 torr)
1 atm = 14.7 psi
1 atm = 101325 Pa

Using these conversion factors, we can convert between these units. Here are some examples:

To convert from mm Hg to atm:
Divide the value in mm Hg by 760.

To convert from torr to atm:
Divide the value in torr by 760.

To convert from psi to atm:
Divide the value in psi by 14.7.

To convert from Pa to atm:
Divide the value in Pa by 101325.

To convert from atm to mm Hg:
Multiply the value in atm by 760.

To convert from atm to torr:
Multiply the value in atm by 760.

To convert from atm to psi:
Multiply the value in atm by 14.7.

To convert from atm to Pa:
Multiply the value in atm by 101325.

These conversion factors allow us to express pressure measurements in different units depending on the given context and requirements.