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Pascals to Gigapascals Converter

Enter the pressure in pascals below to convert it to gigapascals.

Convert Pascals to Gigapascals

Enter a value in pascals (Pa) to convert to gigapascals (GPa).

Result
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5e-9gigapascals
5 Pa = 5e-9 GPa
Result updates automatically
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Equivalent Measurements Across UnitsFor 5 Pa
Kilopascals0.005 kPa
Bars0.00005 bar
PSI0.00072518 psi
Atmospheres0.00004934 atm
Suggested Conversions
Reference:NIST SP 811 (NIST SP 811 App. B.9 (Pressure & Stress))
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Pascal to Gigapascal Conversion Table

Table showing various pascal measurements converted to gigapascals. Click any preset value or arrow to load it into the converter.

Pascals (Pa)Gigapascals (GPa)
1 Pa1e-9 GPa
10 Pa0.00000001 GPa
100 Pa0.0000001 GPa
1,000 Pa0.000001 GPa
10,000 Pa0.00001 GPa
100,000 Pa0.0001 GPa
1,000,000 Pa0.001 GPa
5,000,000 Pa0.005 GPa
10,000,000 Pa0.01 GPa
25,400,000 Pa0.0254 GPa

How to Convert Pascals to Gigapascals

To convert pascals to gigapascals, multiply the pressure by the following conversion ratio: 1e-9 gigapascals/pascal.

Since one pascal is equal to 1e-9 gigapascals, you can use this simple formula to convert:

gigapascals = pascals × 1e-9

The pressure in gigapascals is equal to the pressure in pascals multiplied by 1e-9.

For example, here's how to convert 5 pascals to gigapascals using the formula above.

gigapascals = (5 Pa × 1e-9) = 5e-9 GPa

How Many Gigapascals Are in a Pascal?

There are 1e-9 gigapascals in a pascal, which is why we use this value in the formula above.

1 Pa = 1e-9 GPa|1 GPa = 1,000,000,000 Pa

Our pascal to gigapascal calculator automatically converts your pressure measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

Pascals and gigapascals are both units used to measure pressure. Keep reading to learn more about each unit.

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. [1]

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.

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. [2]

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.

When converting pressure between pascals (Pa) and gigapascals (GPa), keep full floating-point precision (1 Pa = 1e-9 GPa; 1 GPa = 1,000,000,000 Pa) during intermediate calculations and round only the final gigapascal figure to match your instrument tolerance.

More Pascal & Gigapascal Conversions

Need to calculate in the opposite direction? Use our gigapascals to pascals calculator to switch your starting unit immediately. You can also explore related tools such as converting gigapascals to pascals, converting pascals to hectopascals, or converting pascals to psi.

Frequently Asked Questions

There are 1.000000e-9 gigapascals (GPa) in 1 pascal (Pa). Conversely, 1 gigapascal (GPa) is equal to 1.000000e+9 pascals (Pa).

References

NIST · BIPM · ISO
  1. [1]
    NIST SP 811 (NIST SP 811 App. B.9 (Pressure & Stress))·Pressure Metrology Standard — Pascals (Pa) to Gigapascals (GPa)
    NIST SP 811 Standard
  2. [2]
    NIST CUU (Derived SI Unit: Pascal (Pa))·Unit Specifications: Pascal (Pa) & Gigapascal (GPa)
    NIST CUU Specification
  3. [3]
    BIPM (SI Brochure (9th Ed.) — Mechanics)·Conversion Factors & Mathematical Basis (Pa to GPa)
    BIPM Reference
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