GPa to PSI Converter
Quick Conversions
Conversion Formula
The conversion between Gigapascal and PSI follows these formulas:
To convert from GPa to PSI, multiply the GPa value by 145,037.73773.
To convert from PSI to GPa, multiply the PSI value by 0.000006894757.
Conversion Examples
Example 1: Convert 2.5 GPa to PSI
Step 1: Write down the conversion formula
PSI = GPa × 145,037.73773
Step 2: Substitute the value
PSI = 2.5 × 145,037.73773
Step 3: Calculate the result
PSI = 362,594.34 PSI
Example 2: Convert 500,000 PSI to GPa
Step 1: Write down the conversion formula
GPa = PSI × 0.000006894757
Step 2: Substitute the value
GPa = 500,000 × 0.000006894757
Step 3: Calculate the result
GPa = 3.447 GPa
Example 3: Convert 0.05 GPa to PSI
Step 1: Write down the conversion formula
PSI = GPa × 145,037.73773
Step 2: Substitute the value
PSI = 0.05 × 145,037.73773
Step 3: Calculate the result
PSI = 7,251.89 PSI
GPa to PSI Conversion Table
| Gigapascal (GPa) | Pound per Square Inch (PSI) |
|---|---|
| 0.001 GPa | 145.04 PSI |
| 0.01 GPa | 1,450.38 PSI |
| 0.1 GPa | 14,503.77 PSI |
| 0.5 GPa | 72,518.87 PSI |
| 1 GPa | 145,037.74 PSI |
| 2 GPa | 290,075.48 PSI |
| 3 GPa | 435,113.21 PSI |
| 4 GPa | 580,150.95 PSI |
| 5 GPa | 725,188.69 PSI |
| 10 GPa | 1,450,377.38 PSI |
| 15 GPa | 2,175,566.07 PSI |
| 20 GPa | 2,900,754.75 PSI |
| 25 GPa | 3,625,943.44 PSI |
| 50 GPa | 7,251,886.89 PSI |
| 100 GPa | 14,503,773.77 PSI |
| 500 GPa | 72,518,868.87 PSI |
| 1000 GPa | 145,037,737.73 PSI |
PSI to GPa Conversion Table
| Pound per Square Inch (PSI) | Gigapascal (GPa) |
|---|---|
| 1 PSI | 0.0000069 GPa |
| 10 PSI | 0.0000689 GPa |
| 100 PSI | 0.000689 GPa |
| 1,000 PSI | 0.00689 GPa |
| 5,000 PSI | 0.03447 GPa |
| 10,000 PSI | 0.06895 GPa |
| 50,000 PSI | 0.34474 GPa |
| 100,000 PSI | 0.68948 GPa |
| 200,000 PSI | 1.37895 GPa |
| 500,000 PSI | 3.44738 GPa |
| 1,000,000 PSI | 6.89476 GPa |
About Gigapascal (GPa)
The gigapascal is a unit of pressure in the metric system, symbolized as GPa. It represents one billion pascals (1 GPa = 1,000,000,000 Pa). The prefix “giga” denotes a factor of 10⁹ in the International System of Units (SI).
Gigapascals are primarily used in fields requiring measurements of extremely high pressure, such as:
- Materials Science: Measuring the tensile strength, compressive strength, and elastic modulus of materials like metals, ceramics, and composites
- Geophysics: Describing pressure conditions deep within Earth’s interior, where mantle and core pressures reach hundreds of GPa
- High-Pressure Physics: Studying material behavior under extreme conditions using diamond anvil cells
- Engineering: Evaluating material properties for aerospace, defense, and structural applications
The pascal itself is named after French mathematician and physicist Blaise Pascal, who made significant contributions to the study of fluids and pressure.
About Pound per Square Inch (PSI)
Pound per square inch, abbreviated as PSI, is a unit of pressure commonly used in the United States and other countries following imperial measurement systems. It represents the force of one pound-force applied over an area of one square inch.
PSI is widely used in various practical applications:
- Automotive Industry: Measuring tire pressure, typically ranging from 30 to 35 PSI for passenger vehicles
- Hydraulic Systems: Specifying pressure in hydraulic machinery and equipment
- Plumbing: Describing water pressure in residential and commercial buildings, usually 40 to 80 PSI
- Gas Cylinders: Indicating compressed gas storage pressure
- HVAC Systems: Measuring air pressure in heating, ventilation, and air conditioning systems
While PSI remains prevalent in everyday applications, the scientific community prefers pascals and its multiples for standardization across international research and documentation.