📏 Pascals to PSI Converter

Convert pascals (Pa) to psi (psi) instantly, with the formula, a worked example and a conversion table.

Quick answer: 1 pascal (Pa) = 0.0001450377 psi (psi). Formula: psi = Pa × 0.0001450377.

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Pascals to PSI Converter inputs

Result

1 Pa =

0.0001450377 psi

psi = Pa × 0.0001450377

1 pascal = 0.0001450377 psi · psi to Pa

Pascals to PSI conversion table

Pascals (Pa)PSI (psi)
0.1 Pa0.0000145038 psi
0.5 Pa0.0000725189 psi
1 Pa0.0001450377 psi
2 Pa0.0002900755 psi
3 Pa0.0004351132 psi
5 Pa0.0007251887 psi
10 Pa0.0014503774 psi
20 Pa0.0029007548 psi
25 Pa0.0036259434 psi
50 Pa0.0072518869 psi
100 Pa0.014503774 psi
1,000 Pa0.14503774 psi

Other pressure conversions

Pa to kPaPa to barPa to psiPa to atmPa to mmHg

How to convert pascals to psi

Multiply the number of pascals by 0.0001450377 to get psi: psi = Pa × 0.0001450377.

Example: 5 Pa = 0.0007251887 psi.

The pascal (Pa) and the pound per square inch (psi) are both units of pressure. Need the opposite direction? Use the psi to Pa converter.

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Metric and imperial units

The metric system (SI) is used by almost every country and by science worldwide. Its units scale by powers of ten – 1 kilometer is 1,000 meters, 1 meter is 100 centimeters – which makes conversions inside the system easy. The imperial and US customary systems (inches, feet, pounds, gallons) are still used daily in the United States and partly in the UK.

Since 1959 the inch has been defined as exactly 2.54 centimeters and the pound as exactly 0.45359237 kilograms, so conversions between the two systems are exact. Note that a US gallon (3.785 L) and an imperial gallon (4.546 L) are different – choose the right one above.

This converter covers 10 categories and 66 units: length, weight, temperature, volume, area, speed, time, data, energy, pressure.

Frequently asked questions

How many psi are in a pascal?

1 pascal = 0.0001450377 psi.

How do I convert pascals to psi?

Use the formula psi = Pa × 0.0001450377. For example, 5 Pa = 0.0007251887 psi.

How do I convert psi back to pascals?

1 pound per square inch = 6,894.7573 pascals. Use the psi to Pa converter linked on this page.

Are these conversions exact?

Yes – all factors use the internationally defined values (for example 1 inch = 2.54 cm exactly, 1 pound = 0.45359237 kg exactly). Results are rounded to 8 significant digits for display.