Pascals to PSI Converter
Unit ConversionConvert pascals to psi. 1 pascal is about 0.000145038 psi, with a conversion table and the reverse conversion.
PSI
Equivalent pressure in pounds per square inch
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SponsoredThis converter turns pascals into psi (Pa to psi). Enter a value and the result updates as you type. 1 pascal is about 0.000145038 psi.
The pascal is the SI unit of pressure, one newton per square meter. It is a derived unit, not one of the SI base units. The psi is defined from the avoirdupois pound, standard gravity and the inch, which works out to about 6,894.757 pascals, so pascal values for everyday pressures are large.
The result shows 0 for a negative entry, because absolute pressure, counted from a perfect vacuum, cannot be negative. The result is rounded to 6 decimal places.
How to Convert Pascals to PSI
To convert pascals to psi, divide by about 6,894.757. For example, 100,000 Pa is about 14.503774 psi.
To go from psi back to pascals, multiply psi by about 6,894.757.
Pascals to PSI Conversion Table
Common Pa values converted to psi, rounded to 6 decimal places.
| Pascals | PSI |
|---|---|
| 1 Pa | 0.000145 psi |
| 10 Pa | 0.00145 psi |
| 100 Pa | 0.014504 psi |
| 1,000 Pa | 0.145038 psi |
| 6,895 Pa | 1.000035 psi |
| 10,000 Pa | 1.450377 psi |
| 50,000 Pa | 7.251887 psi |
| 100,000 Pa | 14.503774 psi |
| 101,325 Pa | 14.695949 psi |
| 200,000 Pa | 29.007548 psi |
| 500,000 Pa | 72.518869 psi |
| 1,000,000 Pa | 145.037738 psi |
Why Pascal Values Are So Large
One pascal is one newton spread over a whole square meter, a very small pressure. A psi puts a pound of force on one square inch, so it is thousands of times larger: 1 psi is about 6,894.757 Pa. Air at sea level is about 101,325 Pa, or about 14.7 psi. Physics texts often write the factor in scientific notation: 1 Pa is about 1.45038 × 10⁻⁴ psi.
A newton is the force that accelerates one kilogram at one meter per second squared, the relationship the Force, Mass and Acceleration Calculator works out. Values like 0.000145 psi are easier to read in powers of ten, which the Scientific Notation Converter writes for you.
Frequently Asked Questions
What is 30 psi in pascals?
30 psi is about 206,842.72 pascals.
How many pascals is 1 psi?
1 psi is about 6,894.757 pascals.
Is the pascal an SI base unit?
No. The pascal is a derived SI unit: one pascal is one newton per square meter. The SI base units are the meter, kilogram, second, ampere, kelvin, mole and candela.
Is the Pascals to PSI factor exact?
The factor is fixed by definitions, so it never changes, but it has no finite decimal form. 1 pascal is about 0.000145038 psi. The calculator uses the full value and rounds only the result it shows.
What happens if I enter a negative value?
It shows 0. This page treats values as absolute pressures, which cannot be negative. The Pascal Converter in the list below accepts negative gauge readings down to a full vacuum.
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