Pascals to PSI Converter

One Pascal equals 0.0001450377377 PSI (1 Pa = 0.0001450377377 psi). Multiply a Pascal value by 0.0001450377377 to get the equivalent in PSI. Enter a value above to calculate the result. You can also use the formula and reference table below.

Formula

psi = Pa × 0.0001450377377

Multiply the Pascal value by 0.0001450377377 to get the equivalent value in PSI.

Example Conversions

1 Pascal (Pa)

0.0001450377377 PSI (psi)

5 Pascal (Pa)

0.0007251886887 PSI (psi)

10 Pascal (Pa)

0.001450377377 PSI (psi)

25 Pascal (Pa)

0.003625943443 PSI (psi)

100 Pascal (Pa)

0.01450377377 PSI (psi)

Conversion Table

Common conversion values from Pascal to PSI
Pascal (Pa)PSI (psi)
0.10.00001450377377
0.50.00007251886887
10.0001450377377
20.0002900754755
50.0007251886887
100.001450377377
250.003625943443
500.007251886887
1000.01450377377
2500.03625943443
5000.07251886887
10000.1450377377

How to Convert Manually

Use these steps to convert Pascal values to PSI without the calculator.

  1. Write down the value in Pascal (Pa) that you want to convert.
  2. Multiply that value by 0.0001450377377.
  3. For example, 10 Pascals × 0.0001450377377 = 0.001450377377 PSI.
  4. Label the result as PSI (psi).

Relative Size Comparison

1 Pascal
1 PSI6894.757293 Pascals
1 psi

This chart shows the visual difference in size between exactly one Pascal and one PSI.

About Pascal and PSI

The pascal is the SI derived unit of pressure: one newton per square meter. It is small for everyday pressures, so kilopascals and hectopascals appear more often in practice. The pound per square inch is about 6,894.757 pascals. US tire pressures, water systems, and industrial equipment are rated in psi. One Pascal equals 0.0001450377377 PSI (1 Pa = 0.0001450377377 psi). Pascal is used in physics and engineering calculations and in acoustics and sound pressure. PSI is used in US tire pressure.

Precision and Rounding:Several pressure factors are exact by definition (1 atm = 101,325 Pa; 1 bar = 100,000 Pa) while others, like psi and mmHg, are derived and carry long decimals. Tire and weather readings tolerate whole-number rounding; calibration, medicine, and process engineering need the full factor before rounding.

Use the pressure conversion guide to compare mmHg, mbar, inHg, kPa, Pa, and torr across medical, weather, aviation, vacuum, and engineering work.

Conversion factors per NIST Special Publication 811 and the BIPM SI Brochure (9th edition) (reference).

Worked Example

15Pascals equals0.002175566066PSI.

15 Pa × 0.0001450377377 = 0.002175566066 psi

FAQ

How do I convert Pascal to PSI?

Multiply the Pascal value by 0.0001450377377 to get the equivalent value in PSI.

What is the formula for Pascal to PSI?

The formula is psi = Pa × 0.0001450377377.

How many PSI are in 1 Pascal?

1 Pascal equals 0.0001450377377 PSI.

Can I convert PSI back to Pascal?

Yes. 1 PSI equals 6894.757293 Pascals, and the related converter can reverse the calculation.

What are common names for Pascal and PSI?

Pascal is shown as Pa and may also be searched as pascals, pa. PSI is shown as psi and may also be searched as pounds per square inch, lbf/in².

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