Gigapascal is 1000000000 pascal units.
Gigapascals to Micropascals Converter — GPa to uPa
Convert Gigapascal (GPa) to Micropascal (uPa) using the exact conversion factor (1 gigapascal = 1e+15 micropascal). See the formula, worked examples, and conversion table.
Gigapascals to Micropascals converter
Converter
Pressure Converter
Convert pascals, bars, PSI, atmospheres, mercury columns, water columns, and engineering pressure units.
Context values
Some unit families need one extra value for a physically accurate result.
Micropascal is 0.000001 pascal units.
Result = input x 1e+9 / 1e-6.
Pressure uses the pascal as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Gigapascals to Micropascals
Gigapascal and Micropascal both show up on pressure gauges — psi is standard on US tire and tool specifications, while bar is the everyday pressure unit across most of the rest of the world. Specifically: Gigapascal is 1000000000 pascal units, and micropascal is 0.000001 pascal units.
Formula
micropascals = gigapascals × 1e+15
This factor comes from each unit's defined relationship to the category's base unit: 1 gigapascal equals 1000000000 base units, and 1 micropascal equals 0.000001 base units, so dividing one by the other gives the direct gigapascal-to-micropascal factor of 1e+15.
Simple example
1 GPa × 1e+15 = 1e+15 uPa
1 gigapascal = 1e+15 micropascals.
Real-world example
35 GPa × 1e+15 = 3.5e+16 uPa
35 gigapascals = 3.5e+16 micropascals.
Conversion table
| Gigapascal (GPa) | Micropascal (uPa) |
|---|---|
| 1 GPa | 1e+15 uPa |
| 5 GPa | 5e+15 uPa |
| 10 GPa | 1e+16 uPa |
| 25 GPa | 2.5e+16 uPa |
| 50 GPa | 5e+16 uPa |
| 100 GPa | 1e+17 uPa |
Reverse conversion: Micropascal to Gigapascal
1e+15 uPa × 1e-15 = 1 GPa
1e+15 micropascals = 1 gigapascal.
gigapascals = micropascals × 1e-15
For a page dedicated to this direction, see Micropascal to Gigapascal.
Understanding the Gigapascal (GPa)
Gigapascal is 1000000000 pascal units.
Understanding the Micropascal (uPa)
Micropascal is 0.000001 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many micropascals are in 1 gigapascal?
1 gigapascal equals 1e+15 micropascals, using the exact defined conversion factor rather than an estimate.
How do I convert gigapascal to micropascal?
Multiply the gigapascal value by 1e+15. The converter above does this instantly to whatever precision you set.
How do I convert micropascal back to gigapascal?
Use the reverse factor: 1 micropascal equals 1e-15 gigapascals. You can also use the swap control in the converter above to flip the direction instantly.
What is a gigapascal?
Gigapascal (GPa) is a unit of pressure.
What is a micropascal?
Micropascal (uPa) is a unit of pressure.
Is the gigapascal to micropascal conversion exact?
Yes. Both gigapascal and micropascal are defined by fixed standards rather than physical artifacts, so the factor of 1e+15 used above is exact to as many digits as you choose to display.