Gigapascals to Terapascals Converter
Enter the pressure in gigapascals below to convert it to terapascals.
Convert Gigapascals to Terapascals
Enter a value in gigapascals (GPa) to convert to terapascals (TPa).
Gigapascal to Terapascal Conversion Table
Table showing various gigapascal measurements converted to terapascals. Click any preset value or arrow to load it into the converter.
How to Convert Gigapascals to Terapascals
To convert gigapascals to terapascals, multiply the pressure by the following conversion ratio: 0.001 terapascals/gigapascal.
Since one gigapascal is equal to 0.001 terapascals, you can use this simple formula to convert:
The pressure in terapascals is equal to the pressure in gigapascals multiplied by 0.001.
For example, here's how to convert 5 gigapascals to terapascals using the formula above.
How Many Terapascals Are in a Gigapascal?
There are 0.001 terapascals in a gigapascal, which is why we use this value in the formula above.
Our gigapascal to terapascal calculator automatically converts your pressure measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Gigapascals and terapascals 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 Terapascal?
A terapascal is a unit of pressure equal to 1e+12 pascals (Pa), the base unit for pressure. Equal to 10¹² Pascals. [2]
The terapascal is classified as an International System of Units (SI) unit of pressure. Terapascals can be abbreviated as TPa; for example, 1 terapascal can be written as 1 TPa.
In the metric system, "tera" is the standard SI prefix for trillions, or 10¹². This makes the terapascal (TPa) a convenient decimal multiple of the pascal (Pa).
In practice, terapascals (TPa) 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 gigapascals (GPa) and terapascals (TPa), keep full floating-point precision (1 GPa = 0.001 TPa; 1 TPa = 1,000 GPa) during intermediate calculations and round only the final terapascal figure to match your instrument tolerance.
More Gigapascal & Terapascal Conversions
Need to calculate in the opposite direction? Use our terapascals to gigapascals calculator to switch your starting unit immediately. You can also explore related tools such as converting terapascals to gigapascals, converting psi to bars, or converting bars to psi.
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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 Terapascals (TPa)
- [2]NIST CUU SpecificationNIST CUU (Derived SI Unit: Pascal (Pa))·Unit Specifications: Gigapascal (GPa) & Terapascal (TPa)
- [3]BIPM ReferenceBIPM (SI Brochure (9th Ed.) — Mechanics)·Conversion Factors & Mathematical Basis (GPa to TPa)