Pascal to PSI Conversion
Convert between Pascal and PSI quickly and accurately.
How to Convert Pascal to PSI
Conversion Formula
Example
Convert 15 Pa to psi:
Unit Information
Learn about the pressure units you're converting between
Pascal
Pa
Definition
The pascal (symbol: Pa) is the SI base unit of pressure, defined as one newton per square meter. It represents the pressure exerted by a force of one newton applied uniformly over an area of one square meter.
History/Origin
The pascal was named after Blaise Pascal (1623-1662), a French mathematician and physicist. It was adopted as the SI unit of pressure in 1971, replacing the bar and other traditional pressure units in scientific applications.
Current Use
Pascals are used universally in physics and engineering for measuring pressure, stress, and elastic modulus. Applications include atmospheric pressure measurements, hydraulic systems, material testing, and scientific research in fluid mechanics.
Multiplier
1
Offset
0
PSI
psi
Definition
Pounds per square inch (symbol: psi) is a unit of pressure in the imperial system, representing the pressure resulting from a force of one pound-force applied to an area of one square inch. It equals approximately 6,895 pascals.
History/Origin
PSI was developed in the British imperial system for measuring pressure in mechanical and hydraulic systems. It became widely used in the United States and remains the standard unit for many pressure measurements in American industry.
Current Use
PSI is used extensively in the United States for tire pressure, hydraulic systems, pneumatic tools, industrial pressure measurements, automotive applications, and mechanical engineering specifications.
Multiplier
6894.757
Offset
0
Pascal to PSI Conversion Table
| Pascal [Pa] | PSI [psi] |
|---|---|
| 1 Pa | 0.000145 psi |
| 10 Pa | 0.00145 psi |
| 25 Pa | 0.003626 psi |
| 50 Pa | 0.007252 psi |
| 100 Pa | 0.014504 psi |
| 0 Pa | 0E+0 psi |
| -10 Pa | -0.00145 psi |
| -40 Pa | -0.005802 psi |
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