Convert Gigapascals to Megapascals
Instantly convert Gigapascals (GPa) to Megapascals (MPa) with our free online calculator.
Formula: GPa to MPa — multiply by 1000
Reference Table
| Gigapascals (GPa) | Megapascals (MPa) |
|---|---|
| 1 | 1000 |
| 5 | 5000 |
| 10 | 10000 |
| 25 | 25000 |
| 50 | 50000 |
| 100 | 100000 |
How to Convert Gigapascals to Megapascals
Formula
To convert Gigapascals (GPa) to Megapascals (MPa): multiply by 1000
Step-by-Step
- Start with your value in Gigapascals (GPa).
- Multiply by 1000 to perform the conversion.
- The result is your value expressed in Megapascals (MPa).
Conversion Factor
1 GPa = 1000 MPa
Reverse Factor
1 MPa = 0.001 GPa
Worked Example
Convert 25 Gigapascals to Megapascals: 25 GPa = 25000 MPa
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 Megapascal (MPa)
A metric unit of pressure equal to exactly 1,000,000 pascals (1,000 kPa), or 10 bar. Megapascals are the universal SI unit for material strength reporting in structural and mechanical engineering: concrete compressive strength (typically 20-60 MPa per ACI 318 / Eurocode 2, with ultra-high-performance concrete reaching 150-200 MPa), structural-steel yield stress (250 MPa for S275 / A36, 355 MPa for S355, up to 690 MPa for HSLA grades), aluminum tensile (6061-T6 ~310 MPa), and the fracture toughness of ceramics and polymers reported as MPa·m^½ in materials databases. Mechanical-engineering finite-element solvers (Abaqus, ANSYS, Nastran), pressure-vessel codes (ASME BPVC Section VIII, PD 5500, EN 13445), hydraulic system specifications above ~70 bar, and the civil-engineering concrete mix specs all use MPa as the working pressure/stress unit. Common conversions: 1 MPa = 10 bar = 145.04 psi = 9.869 atm.
Quick Facts
- 1 Gigapascal equals 1000 Megapascals
- 1 Megapascal equals 0.001 Gigapascals
- Gigapascal is a unit of pressure
- Megapascal 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 Megapascal Conversions
| Gigapascals (GPa) | Megapascals (MPa) |
|---|---|
| 0.1 | 100 |
| 0.5 | 500 |
| 1 | 1000 |
| 2 | 2000 |
| 5 | 5000 |
| 10 | 10000 |
| 14.696 | 14696 |
| 15 | 15000 |
| 20 | 20000 |
| 25 | 25000 |
| 50 | 50000 |
| 100 | 100000 |
| 150 | 150000 |
| 200 | 200000 |
| 500 | 500000 |
| 1000 | 1000000 |
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 Megapascals
The Megapascal (symbol: MPa) is a unit of pressure. A metric unit of pressure equal to exactly 1,000,000 pascals (1,000 kPa), or 10 bar. Megapascals are the universal SI unit for material strength reporting in structural and mechanical engineering: concrete compressive strength (typically 20-60 MPa per ACI 318 / Eurocode 2, with ultra-high-performance concrete reaching 150-200 MPa), structural-steel yield stress (250 MPa for S275 / A36, 355 MPa for S355, up to 690 MPa for HSLA grades), aluminum tensile (6061-T6 ~310 MPa), and the fracture toughness of ceramics and polymers reported as MPa·m^½ in materials databases. Mechanical-engineering finite-element solvers (Abaqus, ANSYS, Nastran), pressure-vessel codes (ASME BPVC Section VIII, PD 5500, EN 13445), hydraulic system specifications above ~70 bar, and the civil-engineering concrete mix specs all use MPa as the working pressure/stress unit. Common conversions: 1 MPa = 10 bar = 145.04 psi = 9.869 atm.
It belongs to the metric measurement system.
Megapascals are commonly used in tire inflation, weather reporting, scuba diving, and engineering.
Why Convert Gigapascals to Megapascals?
Engineers, mechanics, and scientists frequently need to convert pressure between Gigapascals and Megapascals 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 Megapascals?
A metric unit of pressure equal to exactly 1,000,000,000 pascals (1,000 MPa). To convert Gigapascals to Megapascals, multiply by 1000. For example, 25 GPa equals 25000 MPa.
How many Megapascals are in 1 Gigapascal?
There are 1000 Megapascals in 1 Gigapascal.
How many Gigapascals are in 1 Megapascal?
There are 0.001 Gigapascals in 1 Megapascal.
What is the formula for Gigapascal to Megapascal conversion?
The formula is: multiply by 1000. This means 1 GPa = 1000 MPa.
Is a Gigapascal bigger than a Megapascal?
No. One Gigapascal is smaller than one Megapascal because 1 GPa equals 1000 MPa, which is greater than 1.
When do you need to convert between Gigapascals and Megapascals?
A metric unit of pressure equal to exactly 1,000,000 pascals (1,000 kPa), or 10 bar. Gigapascal and Megapascal 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.