Gigapascal is 1000000000 pascal units.
Gigapascals to Decapascals Converter — GPa to daPa
Convert Gigapascal (GPa) to Decapascal (daPa) using the exact conversion factor (1 gigapascal = 100,000,000 decapascal). See the formula, worked examples, and conversion table.
Gigapascals to Decapascals converter
Converter
Engineering Converter
Convert common stress, force, torque, power, and energy units used in engineering.
Context values
Some unit families need one extra value for a physically accurate result.
Decapascal is 10 pascal units.
Result = input x 1e+9 / 10.
Stress Pressure units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Gigapascals to Decapascals
Gigapascal and Decapascal both measure a quantity used in structural or mechanical engineering — commonly stress, pressure, force, torque, power, or energy — where converting between the unit conventions used in different regions, industries, or equipment specifications is a routine part of design work. Specifically: Gigapascal is 1000000000 pascal units, and decapascal is 10 pascal units.
Formula
decapascals = gigapascals × 100000000
This factor comes from each unit's defined relationship to the category's base unit: 1 gigapascal equals 1000000000 base units, and 1 decapascal equals 10 base units, so dividing one by the other gives the direct gigapascal-to-decapascal factor of 100000000.
Simple example
1 GPa × 100000000 = 100,000,000 daPa
1 gigapascal = 100,000,000 decapascals.
Real-world example
100 GPa × 100000000 = 10,000,000,000 daPa
100 gigapascals = 10,000,000,000 decapascals.
Conversion table
| Gigapascal (GPa) | Decapascal (daPa) |
|---|---|
| 1 GPa | 100,000,000 daPa |
| 10 GPa | 1,000,000,000 daPa |
| 50 GPa | 5,000,000,000 daPa |
| 100 GPa | 10,000,000,000 daPa |
| 500 GPa | 50,000,000,000 daPa |
| 1,000 GPa | 100,000,000,000 daPa |
Reverse conversion: Decapascal to Gigapascal
1 daPa × 1e-8 = 1e-8 GPa
1 decapascal = 1e-8 gigapascals.
gigapascals = decapascals × 1e-8
For a page dedicated to this direction, see Decapascal to Gigapascal.
Understanding the Gigapascal (GPa)
Gigapascal is 1000000000 pascal units.
Understanding the Decapascal (daPa)
Decapascal is 10 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many decapascals are in 1 gigapascal?
1 gigapascal equals 100,000,000 decapascals, using the exact defined conversion factor rather than an estimate.
How do I convert gigapascal to decapascal?
Multiply the gigapascal value by 100000000. The converter above does this instantly to whatever precision you set.
How do I convert decapascal back to gigapascal?
Use the reverse factor: 1 decapascal equals 1e-8 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 engineering.
What is a decapascal?
Decapascal (daPa) is a unit of engineering.
Is the gigapascal to decapascal conversion exact?
Yes. Both gigapascal and decapascal are defined by fixed standards rather than physical artifacts, so the factor of 100000000 used above is exact to as many digits as you choose to display.
Why do engineering unit conventions vary so much by region and industry?
Pressure, force, and stress can be expressed in metric (pascal, newton), US customary (psi, pound-force), or older and industry-specific units (atmosphere, torr, kip) depending on the country, industry, and even the equipment manufacturer, which is why engineers routinely need to convert between them when working across specs from different sources.