Nanopascal is 1e-9 pascal units.
Nanopascals to Decapascals Converter — nPa to daPa
Convert Nanopascal (nPa) to Decapascal (daPa) using the exact conversion factor (1 nanopascal = 1e-10 decapascal). See the formula, worked examples, and conversion table.
Nanopascals to Decapascals 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.
Decapascal is 10 pascal units.
Result = input x 1e-9 / 10.
Pressure uses the pascal as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Nanopascals to Decapascals
Nanopascal and Decapascal 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: Nanopascal is 1e-9 pascal units, and decapascal is 10 pascal units.
Formula
decapascals = nanopascals × 1e-10
This factor comes from each unit's defined relationship to the category's base unit: 1 nanopascal equals 1e-9 base units, and 1 decapascal equals 10 base units, so dividing one by the other gives the direct nanopascal-to-decapascal factor of 1e-10.
Simple example
1 nPa × 1e-10 = 1e-10 daPa
1 nanopascal = 1e-10 decapascals.
Real-world example
35 nPa × 1e-10 = 3.5e-9 daPa
35 nanopascals = 3.5e-9 decapascals.
Conversion table
| Nanopascal (nPa) | Decapascal (daPa) |
|---|---|
| 1 nPa | 1e-10 daPa |
| 5 nPa | 5e-10 daPa |
| 10 nPa | 1e-9 daPa |
| 25 nPa | 2.5e-9 daPa |
| 50 nPa | 5e-9 daPa |
| 100 nPa | 1e-8 daPa |
Reverse conversion: Decapascal to Nanopascal
1e-10 daPa × 10000000000 = 1 nPa
1e-10 decapascals = 1 nanopascal.
nanopascals = decapascals × 10000000000
For a page dedicated to this direction, see Decapascal to Nanopascal.
Understanding the Nanopascal (nPa)
Nanopascal is 1e-9 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 nanopascal?
1 nanopascal equals 1e-10 decapascals, using the exact defined conversion factor rather than an estimate.
How do I convert nanopascal to decapascal?
Multiply the nanopascal value by 1e-10. The converter above does this instantly to whatever precision you set.
How do I convert decapascal back to nanopascal?
Use the reverse factor: 1 decapascal equals 10,000,000,000 nanopascals. You can also use the swap control in the converter above to flip the direction instantly.
What is a nanopascal?
Nanopascal (nPa) is a unit of pressure.
What is a decapascal?
Decapascal (daPa) is a unit of pressure.
Is the nanopascal to decapascal conversion exact?
Yes. Both nanopascal and decapascal 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.