Decipascal is 0.1 pascal units.
Decipascals to Gigapascals Converter — dPa to GPa
Convert Decipascal (dPa) to Gigapascal (GPa) using the exact conversion factor (1 decipascal = 1e-10 gigapascal). See the formula, worked examples, and conversion table.
Decipascals to Gigapascals 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.
Gigapascal is 1000000000 pascal units.
Result = input x 0.1 / 1e+9.
Pressure uses the pascal as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Decipascals to Gigapascals
Decipascal and Gigapascal 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: Decipascal is 0.1 pascal units, and gigapascal is 1000000000 pascal units.
Formula
gigapascals = decipascals × 1e-10
This factor comes from each unit's defined relationship to the category's base unit: 1 decipascal equals 0.1 base units, and 1 gigapascal equals 1000000000 base units, so dividing one by the other gives the direct decipascal-to-gigapascal factor of 1e-10.
Simple example
1 dPa × 1e-10 = 1e-10 GPa
1 decipascal = 1e-10 gigapascals.
Real-world example
35 dPa × 1e-10 = 3.5e-9 GPa
35 decipascals = 3.5e-9 gigapascals.
Conversion table
| Decipascal (dPa) | Gigapascal (GPa) |
|---|---|
| 1 dPa | 1e-10 GPa |
| 5 dPa | 5e-10 GPa |
| 10 dPa | 1e-9 GPa |
| 25 dPa | 2.5e-9 GPa |
| 50 dPa | 5e-9 GPa |
| 100 dPa | 1e-8 GPa |
Reverse conversion: Gigapascal to Decipascal
1e-10 GPa × 10000000000 = 1 dPa
1e-10 gigapascals = 1 decipascal.
decipascals = gigapascals × 10000000000
For a page dedicated to this direction, see Gigapascal to Decipascal.
Understanding the Decipascal (dPa)
Decipascal is 0.1 pascal units.
Understanding the Gigapascal (GPa)
Gigapascal is 1000000000 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gigapascals are in 1 decipascal?
1 decipascal equals 1e-10 gigapascals, using the exact defined conversion factor rather than an estimate.
How do I convert decipascal to gigapascal?
Multiply the decipascal value by 1e-10. The converter above does this instantly to whatever precision you set.
How do I convert gigapascal back to decipascal?
Use the reverse factor: 1 gigapascal equals 10,000,000,000 decipascals. You can also use the swap control in the converter above to flip the direction instantly.
What is a decipascal?
Decipascal (dPa) is a unit of pressure.
What is a gigapascal?
Gigapascal (GPa) is a unit of pressure.
Is the decipascal to gigapascal conversion exact?
Yes. Both decipascal and gigapascal are defined by fixed standards rather than physical artifacts, so the factor of 1e-10 used above is exact to as many digits as you choose to display.