Gigapascal is 1000000000 pascal units.
Gigapascals to Quectopascals Converter — GPa to qPa
Convert Gigapascal (GPa) to Quectopascal (qPa) using the exact conversion factor (1 gigapascal = 1e+39 quectopascal). See the formula, worked examples, and conversion table.
Gigapascals to Quectopascals 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.
Quectopascal is 1e-30 pascal units.
Result = input x 1e+9 / 1e-30.
Pressure uses the pascal as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Gigapascals to Quectopascals
Gigapascal and Quectopascal 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 quectopascal is 1e-30 pascal units.
Formula
quectopascals = gigapascals × 1e+39
This factor comes from each unit's defined relationship to the category's base unit: 1 gigapascal equals 1000000000 base units, and 1 quectopascal equals 1e-30 base units, so dividing one by the other gives the direct gigapascal-to-quectopascal factor of 1e+39.
Simple example
1 GPa × 1e+39 = 1e+39 qPa
1 gigapascal = 1e+39 quectopascals.
Real-world example
35 GPa × 1e+39 = 3.5e+40 qPa
35 gigapascals = 3.5e+40 quectopascals.
Conversion table
| Gigapascal (GPa) | Quectopascal (qPa) |
|---|---|
| 1 GPa | 1e+39 qPa |
| 5 GPa | 5e+39 qPa |
| 10 GPa | 1e+40 qPa |
| 25 GPa | 2.5e+40 qPa |
| 50 GPa | 5e+40 qPa |
| 100 GPa | 1e+41 qPa |
Reverse conversion: Quectopascal to Gigapascal
1e+39 qPa × 1e-39 = 1 GPa
1e+39 quectopascals = 1 gigapascal.
gigapascals = quectopascals × 1e-39
For a page dedicated to this direction, see Quectopascal to Gigapascal.
Understanding the Gigapascal (GPa)
Gigapascal is 1000000000 pascal units.
Understanding the Quectopascal (qPa)
Quectopascal is 1e-30 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many quectopascals are in 1 gigapascal?
1 gigapascal equals 1e+39 quectopascals, using the exact defined conversion factor rather than an estimate.
How do I convert gigapascal to quectopascal?
Multiply the gigapascal value by 1e+39. The converter above does this instantly to whatever precision you set.
How do I convert quectopascal back to gigapascal?
Use the reverse factor: 1 quectopascal equals 1e-39 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 quectopascal?
Quectopascal (qPa) is a unit of pressure.
Is the gigapascal to quectopascal conversion exact?
Yes. Both gigapascal and quectopascal are defined by fixed standards rather than physical artifacts, so the factor of 1e+39 used above is exact to as many digits as you choose to display.