1. What is a Pressure Unit Converter?

Definition: This calculator converts pressure values between pounds per square inch (psi) and megapascals (MPa).

Purpose: It helps engineers, technicians, and students quickly convert between these common pressure units used in different measurement systems.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• MPa — Megapascals (metric unit)
• psi — Pounds per square inch (imperial unit)

Explanation: 1 MPa equals approximately 145.038 psi, so to convert psi to MPa, you divide the psi value by this conversion factor.

3. Importance of Pressure Unit Conversion

Details: Accurate unit conversion is crucial in engineering, automotive, and industrial applications where specifications may use different measurement systems.

4. Using the Calculator

Tips: Simply enter the pressure value in psi and the calculator will automatically compute the equivalent value in MPa.

5. Frequently Asked Questions (FAQ)

Q1: Why is the conversion factor 145.038?
A: This is the exact conversion factor between the two units, based on the international definition of these pressure units.

Q2: How precise is this conversion?
A: The calculator uses the exact conversion factor, providing results with high precision (displayed to 6 decimal places).

Q3: Can I convert MPa to psi with this calculator?
A: Currently this calculator only converts psi to MPa. For reverse conversion, multiply MPa by 145.038.

Q4: Where are these units commonly used?
A: psi is commonly used in the US and some imperial system countries, while MPa is used in metric system countries and in scientific contexts.

Q5: What are some typical pressure values?
A: Car tires: ~32 psi (0.22 MPa), Hydraulic systems: 2000-3000 psi (13.79-20.68 MPa), Scuba tanks: 3000 psi (20.68 MPa).