Conversions
Instant, private, and free
Pascal Pressure Converter.
Convert pascals to kilopascals, megapascals, bar, or PSI.
Set your values
Results update as you type.
Use Cases
Engineering and Design
Quickly convert pressure specifications between metric and imperial units for mechanical or civil engineering projects.
Example: Convert 500 kPa to PSI for a hydraulic system specification.
HVAC and Pneumatics
Convert pressure readings from gauges or system requirements to the unit used in your equipment or documentation.
Example: Convert 2.5 bar to kPa for an air compressor setup.
Frequently Asked Questions
- How do I convert pascals to PSI using this calculator?
- Select 'Pa' in the 'Convert from' dropdown and 'psi' in the 'Convert to' dropdown, then enter the value in pascals. The calculator will automatically convert it to pounds per square inch using the standard conversion factor (1 psi = 6894.76 Pa).
- What is the difference between kPa and MPa?
- kPa (kilopascal) and MPa (megapascal) are both metric units of pressure. 1 MPa equals 1,000 kPa. This calculator allows you to convert between them and other units like bar and PSI.
- Can I convert from bar to pascals?
- Yes, simply select 'bar' in the 'Convert from' dropdown and 'Pa' in the 'Convert to' dropdown. The calculator will use the conversion factor 1 bar = 100,000 pascals.
Tips & Common Mistakes
Tips
- Double-check the unit you select in both dropdowns to avoid conversion errors.
- Use the calculator for quick estimates, but always verify critical values with a reliable reference.
- Remember that 1 bar is approximately equal to 14.5 PSI, which can help you sanity-check results.
- For very large or small numbers, consider using scientific notation for clarity.
Common Mistakes to Avoid
- Selecting the wrong 'Convert from' or 'Convert to' unit, leading to incorrect results.
- Confusing kilopascals (kPa) with megapascals (MPa) – they differ by a factor of 1,000.
- Assuming that 1 PSI equals 1 bar – they are not equivalent; 1 bar is about 14.5 PSI.
Last updated: August 13, 2026