PSI to Pascal (Pa) Converter: Convert psi to pascals easily

Use this tool to convert pounds per square inch (psi) to pascals (Pa) accurately. Ideal for scientists, engineers, and professionals dealing with SI pressure units.

Input the pressure in psi

Understanding the Conversion from PSI to Pascal (Pa)

Pressure is a fundamental physical quantity in many scientific, engineering, and industrial disciplines. While pounds per square inch (psi) is common in the U.S. and imperial-based systems, the pascal (Pa) is the SI (International System of Units) standard unit for pressure. Converting between these two units is crucial for interoperability and accuracy, especially in global and scientific contexts. This tool allows you to easily convert from psi to pascal with a high degree of precision.

What Is PSI?

PSI (pounds per square inch) is a unit of pressure in the imperial system. It measures the force of one pound-force applied to an area of one square inch. PSI is widely used in the United States and other countries where the imperial system is prevalent. It's commonly found in tire pressures, HVAC systems, hydraulic lines, and many other mechanical applications.

What Is Pascal (Pa)?

The pascal (Pa) is the SI-derived unit of pressure, named after Blaise Pascal. It is defined as one newton per square meter (N/m²). The pascal is the standard unit of pressure in most of the world, especially in science and engineering. Larger multiples like kilopascals (kPa), megapascals (MPa), and gigapascals (GPa) are often used in practical settings.

Conversion Formula

Pa = psi × 6894.76

Example: 10 psi × 6894.76 = 68,947.6 Pa

PSI to Pascal Conversion Table

PSI Pa
16,894.76
534,473.8
1068,947.6
50344,738
100689,476
5003,447,380
10006,894,760

Why Convert PSI to Pascal?

  • Scientific Research: Most scientific literature and journals use SI units, including pascals for pressure.
  • International Collaboration: Global teams often need to convert U.S. customary units to SI for standardization.
  • Engineering Applications: Engineering standards and specifications outside the U.S. typically use pascals or kilopascals.
  • Accuracy: Using a standard SI unit ensures compatibility with calculations in thermodynamics, fluid mechanics, and aerodynamics.

PSI vs Pascal: Key Differences

Attribute PSI Pascal (Pa)
SystemImperialMetric (SI)
1 unit equals1 psi = 6,894.76 Pa
Common UsesAutomotive, industryScience, engineering
Standard Unit?NoYes (SI unit)

FAQ: PSI to Pa Conversion

How many pascals are in 1 psi?

There are exactly 6,894.76 pascals in 1 psi.

How do I convert psi to pascal?

Multiply the psi value by 6,894.76 to get the equivalent pressure in pascals.

Is pascal a large unit?

No, the pascal is a relatively small unit. That's why kilopascals (kPa), megapascals (MPa), and other multiples are often used in practice.

Can I use this conversion for liquid and gas pressure?

Yes. The unit conversion works for both liquid and gas phases, as pressure units are independent of the phase.

Do scientific devices use pascals?

Yes, scientific instruments such as barometers, pressure sensors, and simulation software typically use pascals or its multiples.

Use Cases for PSI to Pa Conversion

  • Thermodynamics: Converting imperial data for SI-based simulations.
  • Physics Education: Teaching pressure using SI units.
  • Environmental Science: Atmospheric pressure measurements in pascals.
  • Instrumentation: Sensor calibration and specification in pascals.

Conclusion

Converting from PSI to pascals is essential for global communication in scientific, industrial, and engineering fields. While PSI is widely used in the U.S., pascals are the international standard. With this tool, professionals can easily make accurate conversions, ensuring clarity and precision across different unit systems. Whether you're working in research, product development, or maintenance, converting pressure units correctly is crucial—and this converter simplifies that process for you.