What is pound-force per square inch (psi)?

Pound-force per square inch is an imperial pressure unit defined by applying one pound-force over an area of one square inch, commonly used in engineering and automotive tire pressure.

What does gigapascal (GPa) measure?

Gigapascal is a metric pressure unit equal to one billion pascals, used to express very high pressures and mechanical stresses in scientific and engineering fields.

Why convert psi to GPa?

Converting psi to GPa helps express pressure values in a metric unit better suited for high-pressure contexts like materials science, geophysics, and structural engineering.

Convert Pound-force/square inch to Gigapascal [GPa] Easily Online

Use this online pressure unit converter to transform values from pound-force per square inch (psi) to gigapascal (GPa), helpful for engineering, materials science, and high-pressure research.

Pound-force/square inch

Gigapascal [GPa]

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Pound-force/square inch to Gigapascal [GPa] Conversion Table

Pound-force/square inch	Gigapascal [GPa]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Pound-force/square inch to Gigapascal [GPa] Conversion Table
Pound-force/square inch	Gigapascal [GPa]

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What Is This Tool?

This converter transforms pressure measurements from pound-force per square inch (psi), an imperial unit commonly used in engineering and everyday applications, to gigapascal (GPa), a metric unit suited for expressing very high pressures and stresses in scientific and engineering fields.

How to Use This Tool?

Enter the pressure value in pound-force per square inch (psi) into the input field
Select pound-force/square inch as the source unit and gigapascal [GPa] as the target unit
Click the convert button to get the result in gigapascal
Review the output value, which represents the pressure in the metric unit suitable for high-pressure contexts

Key Features

Converts pressure values between psi and GPa precisely using the defined conversion rate
Supports applications in materials science, engineering, and geophysics requiring high-pressure measurements
Browser-based and user-friendly interface for quick, hassle-free conversions
Provides example conversions to illustrate how to convert values accurately

Examples

Convert 10 pound-force/square inch to gigapascal: 10 psi equals 0.000068947572931783 GPa
Convert 100 pound-force/square inch to gigapascal: 100 psi equals 0.00068947572931783 GPa

Common Use Cases

Checking automotive tire pressure values in psi and expressing them in metric units for engineering reports
Specifying hydraulic and pneumatic system pressures using high-precision metric measurements
Reporting material stiffness and mechanical stresses in structural engineering and materials science
Describing pressures in high-pressure experimental setups such as diamond anvil cells
Translating everyday pressure units to gigapascal for geophysical and high-pressure research

Tips & Best Practices

Use this conversion for high-pressure measurements where GPa values provide a clearer scale
Be aware that the conversion results in very small decimal numbers due to the difference in unit scales
Apply the exact conversion factor to avoid rounding errors, especially for very small or large values
Choose psi to GPa conversion when comparing or reporting materials properties or mechanical stresses

Limitations

Not practical for low-pressure situations because of the very small converted values
Precision depends on careful use of the conversion factor; rounding errors can occur
This conversion only applies correctly between pound-force/square inch and gigapascal according to the given factor

Frequently Asked Questions

What is pound-force per square inch (psi)?: Pound-force per square inch is an imperial pressure unit defined by applying one pound-force over an area of one square inch, commonly used in engineering and automotive tire pressure.
What does gigapascal (GPa) measure?: Gigapascal is a metric pressure unit equal to one billion pascals, used to express very high pressures and mechanical stresses in scientific and engineering fields.
Why convert psi to GPa?: Converting psi to GPa helps express pressure values in a metric unit better suited for high-pressure contexts like materials science, geophysics, and structural engineering.

Key Terminology

Pound-force per square inch (psi): An imperial unit of pressure equal to one pound-force applied over one square inch of area, commonly used in engineering and everyday measurements.
Gigapascal (GPa): A metric unit of pressure equal to one billion pascals, utilized to describe very high pressures and mechanical stresses in scientific and engineering applications.

Quick Knowledge Check

What does 1 pound-force/square inch equal in gigapascal?

0.0068947572931783 GPa

0.0000068947572931783 GPa

0.68947572931783 GPa

Which field commonly uses gigapascal to express pressure?

Materials Science

Automotive Tire Maintenance

Household Air Compressors

Why is converting psi to GPa often not practical for low pressures?

Because values become extremely small

Because GPa is larger than psi

Because psi is metric

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