How many kpa in 1 psig?
The answer is 6.89475728.
We assume you are converting between kilopascal and pound/square inch [gauge].
You can view more details on each measurement unit:
kpa or psig
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.001 kpa, or 0.000145037738007 psig.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between kilopascals and pounds/square inch.
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The SI prefix "kilo" represents a factor of 103, or in exponential notation, 1E3.
So 1 kilopascal = 103 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.
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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