Pascals to PSI Converter

Convert pressure between Pascals (Pa) and Pounds per Square Inch (PSI) with precision

Pressure Conversion Calculator

Pa
PSI

Conversion Result

0 Pa =
0.000000 PSI

Conversion Formula:

1 Pa = 0.000145038 PSI

PSI = Pa × 0.000145038

Common Pressure Conversions

Pascals (Pa)PSI
1,000 Pa0.145 PSI
5,000 Pa0.725 PSI
10,000 Pa1.450 PSI
50,000 Pa7.252 PSI
100,000 Pa (1 bar)14.504 PSI
101,325 Pa (1 atm)14.696 PSI
200,000 Pa29.008 PSI
500,000 Pa72.519 PSI
1,000,000 Pa (1 MPa)145.038 PSI

Example Conversions

Example 1: Standard Atmospheric Pressure

Given: 101,325 Pa (standard atmospheric pressure)

Formula: PSI = Pa × 0.000145038

Calculation: PSI = 101,325 × 0.000145038

Result: 14.696 PSI

Example 2: Car Tire Pressure

Given: 32 PSI (typical car tire pressure)

Formula: Pa = PSI × 6,894.76

Calculation: Pa = 32 × 6,894.76

Result: 220,632.32 Pa (≈ 221 kPa)

Example 3: Industrial Pressure

Given: 500,000 Pa

Formula: PSI = Pa × 0.000145038

Calculation: PSI = 500,000 × 0.000145038

Result: 72.519 PSI

Quick Reference

1 Pascal (Pa)
= 0.000145038 PSI
1 PSI
= 6,894.76 Pa
1 Kilopascal (kPa)
= 0.145038 PSI
1 Bar
= 14.5038 PSI
1 Atmosphere (atm)
= 14.696 PSI

Common Applications

🚗

Automotive

Tire pressure (typically 30-35 PSI)

🏭

Industrial

Hydraulic systems, compressors

🌡️

Scientific

Laboratory pressure measurements

🏗️

Engineering

Structural and material testing

🌊

Plumbing

Water pressure systems

Conversion Tips

PSI is commonly used in the United States

Pascal is the SI unit for pressure

1 PSI ≈ 6.895 kPa for quick estimates

Standard atmospheric pressure ≈ 14.7 PSI

Use kPa for easier Pascal conversions

Understanding Pressure Units: Pascals and PSI

What is a Pascal (Pa)?

The Pascal is the SI unit of pressure, named after French mathematician and physicist Blaise Pascal. One Pascal is defined as one newton per square meter (N/m²). It's a relatively small unit, so kilopascals (kPa) and megapascals (MPa) are commonly used in practice.

Applications of Pascals

  • Scientific research and laboratory measurements
  • International standards and engineering specifications
  • Meteorology (atmospheric pressure in kPa)
  • Material science and stress analysis

What is PSI?

PSI (Pounds per Square Inch) is a unit of pressure commonly used in the United States and other countries using imperial units. One PSI is the pressure resulting from a force of one pound-force applied to an area of one square inch. It's widely used in automotive, industrial, and everyday applications.

Applications of PSI

  • Tire pressure for vehicles
  • Hydraulic and pneumatic systems
  • Water pressure in plumbing systems
  • Industrial compressors and pressure vessels

Conversion Formulas

Pascals to PSI:

PSI = Pa × 0.000145038

Or: PSI = Pa ÷ 6,894.76

PSI to Pascals:

Pa = PSI × 6,894.76

Or: Pa = PSI ÷ 0.000145038

Practical Examples

🚗 Car Tire

32 PSI = 220,632 Pa

Typical sedan tire pressure

🌍 Sea Level

101,325 Pa = 14.696 PSI

Standard atmospheric pressure

💧 Water Pressure

60 PSI = 413,685 Pa

Typical household water pressure