Gigapascals to Pascals Converter
Enter the pressure in gigapascals below to convert it to pascals.
Convert Gigapascals to Pascals
Enter a value in gigapascals (GPa) to convert to pascals (Pa).
Gigapascal to Pascal Conversion Table
Table showing various gigapascal measurements converted to pascals. Click any preset value or arrow to load it into the converter.
How to Convert Gigapascals to Pascals
To convert gigapascals to pascals, multiply the pressure by the following conversion ratio: 1,000,000,000 pascals/gigapascal.
Since one gigapascal is equal to 1,000,000,000 pascals, you can use this simple formula to convert:
The pressure in pascals is equal to the pressure in gigapascals multiplied by 1,000,000,000.
For example, here's how to convert 5 gigapascals to pascals using the formula above.
How Many Pascals Are in a Gigapascal?
There are 1,000,000,000 pascals in a gigapascal, which is why we use this value in the formula above.
Our gigapascal to pascal calculator automatically converts your pressure measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Gigapascals and pascals are both units used to measure pressure. Keep reading to learn more about each unit.
What Is a Gigapascal?
A gigapascal is a unit of pressure equal to 1,000,000,000 pascals (Pa), the base unit for pressure. Equal to 1,000,000,000 Pascals (1,000 MPa), used for elastic modulus of metals and diamond. [1]
The gigapascal is classified as an International System of Units (SI) unit of pressure. Gigapascals can be abbreviated as GPa; for example, 1 gigapascal can be written as 1 GPa.
In the metric system, "giga" is the standard SI prefix for billions, or 10⁹. This makes the gigapascal (GPa) a convenient decimal multiple of the pascal (Pa).
In practice, gigapascals (GPa) are widely used across large-scale industrial, bulk, and macro-level pressure specifications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
What Is a Pascal?
SI derived unit of pressure equal to 1 Newton per square meter (N/m²). It serves as a primary reference unit for measuring pressure across scientific and practical applications. [2]
The pascal is classified as an International System of Units (SI) unit of pressure. Pascals can be abbreviated as Pa; for example, 1 pascal can be written as 1 Pa.
As the primary coherent reference unit for pressure in this category, all other pressure units are mathematically anchored to the pascal (Pa).
In practice, pascals (Pa) are widely used across standard pressure applications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
When converting pressure between gigapascals (GPa) and pascals (Pa), keep full floating-point precision (1 GPa = 1,000,000,000 Pa; 1 Pa = 1e-9 GPa) during intermediate calculations and round only the final pascal figure to match your instrument tolerance.
More Gigapascal & Pascal Conversions
Need to calculate in the opposite direction? Use our pascals to gigapascals calculator to switch your starting unit immediately. You can also explore related tools such as converting pascals to gigapascals, converting hectopascals to pascals, or converting megapascals to pascals.
Convert from Gigapascals
Frequently Asked Questions
References
- [1]NIST SP 811 StandardNIST SP 811 (NIST SP 811 App. B.9 (Pressure & Stress))·Pressure Metrology Standard — Gigapascals (GPa) to Pascals (Pa)
- [2]NIST CUU SpecificationNIST CUU (Derived SI Unit: Pascal (Pa))·Unit Specifications: Gigapascal (GPa) & Pascal (Pa)
- [3]BIPM ReferenceBIPM (SI Brochure (9th Ed.) — Mechanics)·Conversion Factors & Mathematical Basis (GPa to Pa)