Decapascal is 10 pascal units.
Decapascals to Gigapascals Converter — daPa to GPa
Convert Decapascal (daPa) to Gigapascal (GPa) using the exact conversion factor (1 decapascal = 1e-8 gigapascal). See the formula, worked examples, and conversion table.
Decapascals to Gigapascals 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.
Gigapascal is 1000000000 pascal units.
Result = input x 10 / 1e+9.
Stress Pressure units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Decapascals to Gigapascals
Decapascal and Gigapascal 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: Decapascal is 10 pascal units, and gigapascal is 1000000000 pascal units.
Formula
gigapascals = decapascals × 1e-8
This factor comes from each unit's defined relationship to the category's base unit: 1 decapascal equals 10 base units, and 1 gigapascal equals 1000000000 base units, so dividing one by the other gives the direct decapascal-to-gigapascal factor of 1e-8.
Simple example
1 daPa × 1e-8 = 1e-8 GPa
1 decapascal = 1e-8 gigapascals.
Real-world example
100 daPa × 1e-8 = 0.000001 GPa
100 decapascals = 0.000001 gigapascals.
Conversion table
| Decapascal (daPa) | Gigapascal (GPa) |
|---|---|
| 1 daPa | 1e-8 GPa |
| 10 daPa | 1e-7 GPa |
| 50 daPa | 5e-7 GPa |
| 100 daPa | 0.000001 GPa |
| 500 daPa | 0.000005 GPa |
| 1,000 daPa | 0.00001 GPa |
Reverse conversion: Gigapascal to Decapascal
1e-8 GPa × 100000000 = 1 daPa
1e-8 gigapascals = 1 decapascal.
decapascals = gigapascals × 100000000
For a page dedicated to this direction, see Gigapascal to Decapascal.
Understanding the Decapascal (daPa)
Decapascal is 10 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 decapascal?
1 decapascal equals 1e-8 gigapascals, using the exact defined conversion factor rather than an estimate.
How do I convert decapascal to gigapascal?
Multiply the decapascal value by 1e-8. The converter above does this instantly to whatever precision you set.
How do I convert gigapascal back to decapascal?
Use the reverse factor: 1 gigapascal equals 100,000,000 decapascals. You can also use the swap control in the converter above to flip the direction instantly.
What is a decapascal?
Decapascal (daPa) is a unit of engineering.
What is a gigapascal?
Gigapascal (GPa) is a unit of engineering.
Is the decapascal to gigapascal conversion exact?
Yes. Both decapascal and gigapascal are defined by fixed standards rather than physical artifacts, so the factor of 1e-8 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.