Pound/sq inch to Gigapascal Converter
Convert Pound/sq inch (psi) to Gigapascal (GPa) instantly. 1 psi = 6.894757e-6 GPa.
Pressure Converter
29 units available
1 psi = 6.894757e-6 GPa
Formula:
GPa = psi × 0.0000068948With your value: 1 psi = 6.894757e-6 GPa
Other Pound/sq inch to Gigapascal conversions
Pound/sq inch to Gigapascal Conversion Table
| Pound/sq inch (psi) | Gigapascal (GPa) |
|---|---|
| 0.5 | 3.447379e-6 |
| 1 | 6.894757e-6 |
| 2 | 1.378951e-5 |
| 5 | 3.447379e-5 |
| 10 | 6.894757e-5 |
| 15 | 0.000103 |
| 20 | 0.000138 |
| 25 | 0.000172 |
| 50 | 0.000345 |
| 100 | 0.000689 |
| 250 | 0.001724 |
| 500 | 0.003447 |
| 1000 | 0.006895 |
Gigapascal to Pound/sq inch Conversion Table
| Gigapascal (GPa) | Pound/sq inch (psi) |
|---|---|
| 0.5 | 72,518.868865 |
| 1 | 145,037.73773 |
| 2 | 290,075.47546 |
| 5 | 725,188.688651 |
| 10 | 1,450,377.377302 |
| 15 | 2,175,566.065953 |
| 20 | 2,900,754.754604 |
| 25 | 3,625,943.443255 |
| 50 | 7,251,886.886511 |
| 100 | 14,503,773.773022 |
| 250 | 36,259,434.432554 |
| 500 | 72,518,868.865108 |
| 1000 | 145,037,737.730217 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Pound/sq inch (psi)
Pressure
1 psi = 1 lbf/in² = 6894.757 293 168 361 Pa exactly.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Gigapascal (GPa)
Pressure
Derived from the pascal (1 Pa = 1 N/m²). The standard atmosphere is exactly 101 325 Pa.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Pound/sq inch to Gigapascal
To convert from Pound/sq inch (psi) to Gigapascal (GPa), multiply the value by 6.894757e-6.
Formula: GPa = psi × 0.0000068948
Reverse: psi = GPa × 145,037.7377302168
Step-by-Step Example
- Start with your value in Pound/sq inch. For example: 5 psi
- Multiply by the conversion factor: 5 x 6.894757e-6
- The result is: 3.447379e-5 GPa
About Pound/sq inch
Pounds per square inch (psi) is an imperial unit of pressure widely used in the US for tire pressure, hydraulics, and engineering.
Common uses: tire pressure (US), hydraulics, HVAC.
About Gigapascal
The gigapascal (GPa) is a unit of pressure and stress. One gigapascal equals 1.000000 × 10^+9 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: pressure calculations, engineering and science, education.
Frequently Asked Questions
How many Gigapascal are in 1 Pound/sq inch?
There are exactly 6.894757e-6 Gigapascal in 1 Pound/sq inch. This means the conversion factor from Pound/sq inch to Gigapascal is 6.894757e-6.
What is the formula to convert Pound/sq inch to Gigapascal?
The formula to convert Pound/sq inch to Gigapascal is: GPa = psi × 0.0000068948. For example, to convert 10 Pound/sq inch to Gigapascal, you would multiply 10 by 6.894757e-6.
What is a Pound/sq inch?
Pounds per square inch (psi) is an imperial unit of pressure widely used in the US for tire pressure, hydraulics, and engineering.
What is a Gigapascal?
The gigapascal (GPa) is a unit of pressure and stress. One gigapascal equals 1.000000 × 10^+9 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What are the common uses of Pound/sq inch?
The Pound/sq inch is commonly used in tire pressure (US), hydraulics, HVAC.
Related Pressure Conversions
Cite this page
UnitConvertLab. (2026). Pound/sq inch to Gigapascal converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/psi-to-gigapascal