Pressure & stress
Pressure, material stress and fluid head.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert gigapascal (GPa) to standard atmosphere (atm). Enter a value for an instant result, or use the examples and reverse conversion below.
Pressure, material stress and fluid head.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a gigapascal value to calculate standard atmosphere with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| pascalfrom GPa | Pa | 1000000000 |
| hectopascalfrom GPa | hPa | 10000000 |
| kilopascalfrom GPa | kPa | 1000000 |
| megapascalfrom GPa | MPa | 1000 |
| gigapascalfrom GPa | GPa | 1 |
| millibarfrom GPa | mbar | 10000000 |
| barfrom GPa | bar | 10000 |
| standard atmospherefrom GPa | atm | 9869.23 |
| torrfrom GPa | Torr | 7500620 |
| millimetre of mercuryfrom GPa | mmHg | 7500620 |
| inch of mercury, conventionalfrom GPa | inHg | 295300 |
| millimetre of water, conventionalfrom GPa | mmH₂O | 101972000 |
| inch of water, conventionalfrom GPa | inH₂O | 4014630 |
| pound-force per square footfrom GPa | psf | 20885400 |
| pound-force per square inchfrom GPa | psi | 145038 |
| kilopound-force per square inchfrom GPa | ksi | 145.038 |
| kilogram-force per square centimetrefrom GPa | kgf/cm² | 10197.2 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Gigapascal (GPa) and standard atmosphere (atm) are units of pressure & stress. Use this page to convert in either direction.
| Gigapascal (GPa) | Standard Atmosphere (atm) |
|---|---|
| 1 GPa | 9869.23 atm |
| 5 GPa | 49346.2 atm |
| 10 GPa | 98692.3 atm |
| 100 GPa | 986923 atm |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
atm to GPa (standard atmosphere to gigapascal)