Convert between gigapascals (GPa) and pascals (Pa) for material science, engineering, and pressure measurement applications.
Select conversion direction:
Gigapascals to Pascals Conversion (Metric System):
1 Gigapascal (GPa) = 1,000,000,000 Pascals (Pa)
Pa = GPa × 1,000,000,000 | GPa = Pa ÷ 1,000,000,000 (e.g., 2.5 GPa = 2,500,000,000 Pa; 5,000,000,000 Pa = 5 GPa)
Accepts decimals (e.g., 0.001 GPa = 1,000,000 Pa)
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Quick conversions (material properties) - click to auto-fill:
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Key differences between gigapascals (large pressure unit) and pascals (base metric unit) — critical for material science and engineering applications.
| Unit | Definition | 1 Unit = | Common Uses |
|---|---|---|---|
| Gigapascal (GPa) | 1 billion pascals — metric unit for high pressure/stress measurements | 1,000,000,000 Pa 1000 megapascals (MPa) |
Material strength, Young's modulus, rock mechanics, aerospace engineering |
| Pascal (Pa) | Base metric unit of pressure: 1 N/m² (force per unit area) | 0.000000001 GPa 0.000001 megapascals (MPa) |
Atmospheric pressure, fluid dynamics, low-pressure systems, meteorology |
*Note: The "giga-" prefix denotes 10⁹ (one billion) in the International System of Units (SI).
| Gigapascals (GPa) | Pascals (Pa) | Equivalent | Real-World Example |
|---|---|---|---|
| 0.000001 GPa | 1,000 Pa | 0.001 MPa | Pressure from a heavy textbook on a table |
| 0.001 GPa | 1,000,000 Pa | 1 MPa | Compressive strength of typical concrete |
| 2.5 GPa | 2,500,000,000 Pa | 2500 MPa | Strength of borosilicate glass |
| 200 GPa | 200,000,000,000 Pa | 200,000 MPa | Young's modulus of structural steel |
| 400 GPa | 400,000,000,000 Pa | 400,000 MPa | Hardness of natural diamond |
Common conversions for material science and engineering applications (1 GPa = 1,000,000,000 Pa)
| Gigapascals (GPa) | = | Pascals (Pa) |
|---|---|---|
| 0.0001 GPa | = | 100,000 Pa |
| 0.001 GPa | = | 1,000,000 Pa |
| 0.01 GPa | = | 10,000,000 Pa |
| 0.1 GPa | = | 100,000,000 Pa |
| 1 GPa | = | 1,000,000,000 Pa |
| 100 GPa | = | 100,000,000,000 Pa |
| Pascals (Pa) | = | Gigapascals (GPa) |
|---|---|---|
| 100,000 Pa | = | 0.0001 GPa |
| 1,000,000 Pa | = | 0.001 GPa |
| 10,000,000 Pa | = | 0.01 GPa |
| 100,000,000 Pa | = | 0.1 GPa |
| 1,000,000,000 Pa | = | 1 GPa |
| 100,000,000,000 Pa | = | 100 GPa |
Common questions about gigapascal to pascal conversions and pressure units
The metric system uses decimal prefixes to denote multiples of base units:
GPa is preferred for high-pressure applications where pascals would result in unwieldy numbers:
Using GPa avoids writing 9+ zeros (e.g., 200 GPa is clearer than 200,000,000,000 Pa).
Key conversions for common pressure units:
1 GPa = 1000 MPa = 1,000,000,000 Pa = 145,037.738 psi
1 MPa = 0.001 GPa = 1,000,000 Pa = 145.038 psi
1 psi ≈ 6,894.76 Pa ≈ 0.000006895 GPa
Examples for multi-step conversions:
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