Convert Gigapascals to Pascals
Instantly convert Gigapascals (GPa) to Pascals (Pa) with our free online calculator.
Formula: GPa to Pa — multiply by 1.0000e+9
Reference Table
| Gigapascals (GPa) | Pascals (Pa) |
|---|---|
| 1 | 1.000000e+9 |
| 5 | 5.000000e+9 |
| 10 | 1.000000e+10 |
| 25 | 2.500000e+10 |
| 50 | 5.000000e+10 |
| 100 | 1.000000e+11 |
How to Convert Gigapascals to Pascals
Formula
To convert Gigapascals (GPa) to Pascals (Pa): multiply by 1.0000e+9
Step-by-Step
- Start with your value in Gigapascals (GPa).
- Multiply by 1.0000e+9 to perform the conversion.
- The result is your value expressed in Pascals (Pa).
Conversion Factor
1 GPa = 1.000000e+9 Pa
Reverse Factor
1 Pa = 1.000000e-9 GPa
Worked Example
Convert 25 Gigapascals to Pascals: 25 GPa = 2.500000e+10 Pa
About Gigapascal (GPa)
A metric unit of pressure equal to exactly 1,000,000,000 pascals (1,000 MPa). Gigapascals are the standard unit for reporting elastic-modulus and material-stiffness properties — Young's modulus of structural steel is ~200-210 GPa, aluminum alloys ~69-72 GPa, titanium ~110 GPa, concrete ~25-35 GPa, single-crystal diamond ~1,050-1,200 GPa, and CFRP composite ~150-230 GPa (longitudinal). MatWeb, NIST's MMP database, and the ASM Handbook tabulate elastic constants in GPa. GPa is also the working unit for ultra-high-pressure scientific experiments: diamond-anvil cell measurements (currently extending past 1,000 GPa = 1 TPa for studies of metallic hydrogen and Earth-core conditions), shock-wave equation-of-state research at national labs (LANL, LLNL, Sandia), and geophysics interior models — Earth's outer core lies between roughly 135 and 330 GPa. 1 GPa = 10,000 bar = 145,038 psi.
About Pascal (Pa)
The SI derived unit of pressure (and stress), formally defined as one newton per square meter (N/m²) by ISO 80000-4. Named for 17th-century French mathematician Blaise Pascal, whose 1647-48 Puy-de-Dôme experiment established that atmospheric pressure decreases with altitude. The pascal is a small unit — standard sea-level atmospheric pressure is exactly 101,325 Pa per the BIPM SI Brochure — so working engineering and meteorology use multiples: kilopascals (kPa) for everyday gauge pressures, megapascals (MPa) for material strength, hectopascals (hPa) for barometric readings (1 kPa = 10 hPa). The pascal is the universal SI reference for pressure across scientific publication (Physical Review, J. Fluid Mechanics), thermodynamic state tables (NIST REFPROP), and international engineering codes (ASME, EN, JIS). Converting Pa to psi is a divide-by-6894.76; Pa to bar is divide-by-100,000.
Quick Facts
- 1 Gigapascal equals 1.000000e+9 Pascals
- 1 Pascal equals 1.000000e-9 Gigapascals
- Gigapascal is a unit of pressure
- Pascal is a unit of pressure
- This conversion is commonly used in tire inflation, weather reporting, scuba diving, and engineering
- The Gigapascal belongs to the metric system
Common Gigapascal to Pascal Conversions
| Gigapascals (GPa) | Pascals (Pa) |
|---|---|
| 0.1 | 100000000 |
| 0.5 | 500000000 |
| 1 | 1.000000e+9 |
| 2 | 2.000000e+9 |
| 5 | 5.000000e+9 |
| 10 | 1.000000e+10 |
| 14.696 | 1.469600e+10 |
| 15 | 1.500000e+10 |
| 20 | 2.000000e+10 |
| 25 | 2.500000e+10 |
| 50 | 5.000000e+10 |
| 100 | 1.000000e+11 |
| 150 | 1.500000e+11 |
| 200 | 2.000000e+11 |
| 500 | 5.000000e+11 |
| 1000 | 1.000000e+12 |
Understanding Gigapascals
The Gigapascal (symbol: GPa) is a unit of pressure. A metric unit of pressure equal to exactly 1,000,000,000 pascals (1,000 MPa). Gigapascals are the standard unit for reporting elastic-modulus and material-stiffness properties — Young's modulus of structural steel is ~200-210 GPa, aluminum alloys ~69-72 GPa, titanium ~110 GPa, concrete ~25-35 GPa, single-crystal diamond ~1,050-1,200 GPa, and CFRP composite ~150-230 GPa (longitudinal). MatWeb, NIST's MMP database, and the ASM Handbook tabulate elastic constants in GPa. GPa is also the working unit for ultra-high-pressure scientific experiments: diamond-anvil cell measurements (currently extending past 1,000 GPa = 1 TPa for studies of metallic hydrogen and Earth-core conditions), shock-wave equation-of-state research at national labs (LANL, LLNL, Sandia), and geophysics interior models — Earth's outer core lies between roughly 135 and 330 GPa. 1 GPa = 10,000 bar = 145,038 psi.
It belongs to the metric measurement system.
Gigapascals are commonly used in tire inflation, weather reporting, scuba diving, and engineering.
Understanding Pascals
The Pascal (symbol: Pa) is a unit of pressure. The SI derived unit of pressure (and stress), formally defined as one newton per square meter (N/m²) by ISO 80000-4. Named for 17th-century French mathematician Blaise Pascal, whose 1647-48 Puy-de-Dôme experiment established that atmospheric pressure decreases with altitude. The pascal is a small unit — standard sea-level atmospheric pressure is exactly 101,325 Pa per the BIPM SI Brochure — so working engineering and meteorology use multiples: kilopascals (kPa) for everyday gauge pressures, megapascals (MPa) for material strength, hectopascals (hPa) for barometric readings (1 kPa = 10 hPa). The pascal is the universal SI reference for pressure across scientific publication (Physical Review, J. Fluid Mechanics), thermodynamic state tables (NIST REFPROP), and international engineering codes (ASME, EN, JIS). Converting Pa to psi is a divide-by-6894.76; Pa to bar is divide-by-100,000.
It belongs to the metric measurement system.
Pascals are commonly used in tire inflation, weather reporting, scuba diving, and engineering.
Why Convert Gigapascals to Pascals?
Engineers, mechanics, and scientists frequently need to convert pressure between Gigapascals and Pascals when working with different measurement standards. Tire pressure, blood pressure readings, weather barometric measurements, and industrial process specifications may all use different pressure units depending on the region or discipline. Reliable conversion prevents equipment misuse and ensures safety.
Frequently Asked Questions
How do I convert Gigapascals to Pascals?
A metric unit of pressure equal to exactly 1,000,000,000 pascals (1,000 MPa). To convert Gigapascals to Pascals, multiply by 1.0000e+9. For example, 25 GPa equals 2.500000e+10 Pa.
How many Pascals are in 1 Gigapascal?
There are 1.000000e+9 Pascals in 1 Gigapascal.
How many Gigapascals are in 1 Pascal?
There are 1.000000e-9 Gigapascals in 1 Pascal.
What is the formula for Gigapascal to Pascal conversion?
The formula is: multiply by 1.0000e+9. This means 1 GPa = 1.000000e+9 Pa.
Is a Gigapascal bigger than a Pascal?
No. One Gigapascal is smaller than one Pascal because 1 GPa equals 1.000000e+9 Pa, which is greater than 1.
When do you need to convert between Gigapascals and Pascals?
The SI derived unit of pressure (and stress), formally defined as one newton per square meter (N/m²) by ISO 80000-4. Gigapascal and Pascal are both pressure units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.