Physics
Converting between pressure units
Both conversions are single divisions by an exact factor. One psi is 6894.757293168 pascals and one bar is 100000 pascals.
The Formula
P psi = P Pa / 6894.757293168 ; P bar = P Pa / 100000
Both conversions are single divisions by an exact factor. One psi is 6894.757293168 pascals and one bar is 100000 pascals.
| Symbol | Meaning | Unit | Notes |
|---|---|---|---|
| P Pa | Pressure in pascals | pascals | The base SI unit, one newton per square metre. 2000 Pa is the reference value here. |
| P psi | Pressure in pounds per square inch | psi | One psi is exactly 6894.757293168 pascals, so 2000 Pa is 0.29007547546043366 psi. |
| P bar | Pressure in bar | bar | One bar is exactly 100000 pascals, so 2000 Pa is 0.02 bar. |
What Each Symbol Means
P Papascals
Pressure in pascals
The base SI unit, one newton per square metre. 2000 Pa is the reference value here.
P psipsi
Pressure in pounds per square inch
One psi is exactly 6894.757293168 pascals, so 2000 Pa is 0.29007547546043366 psi.
P barbar
Pressure in bar
One bar is exactly 100000 pascals, so 2000 Pa is 0.02 bar.
See It Worked With Real Numbers
A formula on its own does not tell you which number goes where. The how to calculate pressure page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.
Where This Formula Appears
This equation is the working core of How To Calculate Pressure, filed under Science. Every number the guide produces comes from substituting into this one line.