Gigapascal is 1000000000 pascal units.
Gigapascals to Decipascals Converter — GPa to dPa
Convert Gigapascal (GPa) to Decipascal (dPa) using the exact conversion factor (1 gigapascal = 10,000,000,000 decipascal). See the formula, worked examples, and conversion table.
Gigapascals to Decipascals 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.
Decipascal is 0.1 pascal units.
Result = input x 1e+9 / 0.1.
Pressure uses the pascal as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Gigapascals to Decipascals
Gigapascal and Decipascal 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 decipascal is 0.1 pascal units.
Formula
decipascals = gigapascals × 10000000000
This factor comes from each unit's defined relationship to the category's base unit: 1 gigapascal equals 1000000000 base units, and 1 decipascal equals 0.1 base units, so dividing one by the other gives the direct gigapascal-to-decipascal factor of 10000000000.
Simple example
1 GPa × 10000000000 = 10,000,000,000 dPa
1 gigapascal = 10,000,000,000 decipascals.
Real-world example
35 GPa × 10000000000 = 350,000,000,000 dPa
35 gigapascals = 350,000,000,000 decipascals.
Conversion table
| Gigapascal (GPa) | Decipascal (dPa) |
|---|---|
| 1 GPa | 10,000,000,000 dPa |
| 5 GPa | 50,000,000,000 dPa |
| 10 GPa | 100,000,000,000 dPa |
| 25 GPa | 250,000,000,000 dPa |
| 50 GPa | 500,000,000,000 dPa |
| 100 GPa | 1e+12 dPa |
Reverse conversion: Decipascal to Gigapascal
1 dPa × 1e-10 = 1e-10 GPa
1 decipascal = 1e-10 gigapascals.
gigapascals = decipascals × 1e-10
For a page dedicated to this direction, see Decipascal to Gigapascal.
Understanding the Gigapascal (GPa)
Gigapascal is 1000000000 pascal units.
Understanding the Decipascal (dPa)
Decipascal is 0.1 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many decipascals are in 1 gigapascal?
1 gigapascal equals 10,000,000,000 decipascals, using the exact defined conversion factor rather than an estimate.
How do I convert gigapascal to decipascal?
Multiply the gigapascal value by 10000000000. The converter above does this instantly to whatever precision you set.
How do I convert decipascal back to gigapascal?
Use the reverse factor: 1 decipascal equals 1e-10 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 decipascal?
Decipascal (dPa) is a unit of pressure.
Is the gigapascal to decipascal conversion exact?
Yes. Both gigapascal and decipascal are defined by fixed standards rather than physical artifacts, so the factor of 10000000000 used above is exact to as many digits as you choose to display.