Picopascal is 1e-12 pascal units.
Picopascals to Rontopascals Converter — pPa to rPa
Convert Picopascal (pPa) to Rontopascal (rPa) using the exact conversion factor (1 picopascal = 1e+15 rontopascal). See the formula, worked examples, and conversion table.
Picopascals to Rontopascals 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.
Rontopascal is 1e-27 pascal units.
Result = input x 1e-12 / 1e-27.
Pressure uses the pascal as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Picopascals to Rontopascals
Picopascal and Rontopascal 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: Picopascal is 1e-12 pascal units, and rontopascal is 1e-27 pascal units.
Formula
rontopascals = picopascals × 1e+15
This factor comes from each unit's defined relationship to the category's base unit: 1 picopascal equals 1e-12 base units, and 1 rontopascal equals 1e-27 base units, so dividing one by the other gives the direct picopascal-to-rontopascal factor of 1e+15.
Simple example
1 pPa × 1e+15 = 1e+15 rPa
1 picopascal = 1e+15 rontopascals.
Real-world example
35 pPa × 1e+15 = 3.5e+16 rPa
35 picopascals = 3.5e+16 rontopascals.
Conversion table
| Picopascal (pPa) | Rontopascal (rPa) |
|---|---|
| 1 pPa | 1e+15 rPa |
| 5 pPa | 5e+15 rPa |
| 10 pPa | 1e+16 rPa |
| 25 pPa | 2.5e+16 rPa |
| 50 pPa | 5e+16 rPa |
| 100 pPa | 1e+17 rPa |
Reverse conversion: Rontopascal to Picopascal
1e+15 rPa × 1e-15 = 1 pPa
1e+15 rontopascals = 1 picopascal.
picopascals = rontopascals × 1e-15
For a page dedicated to this direction, see Rontopascal to Picopascal.
Understanding the Picopascal (pPa)
Picopascal is 1e-12 pascal units.
Understanding the Rontopascal (rPa)
Rontopascal is 1e-27 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many rontopascals are in 1 picopascal?
1 picopascal equals 1e+15 rontopascals, using the exact defined conversion factor rather than an estimate.
How do I convert picopascal to rontopascal?
Multiply the picopascal value by 1e+15. The converter above does this instantly to whatever precision you set.
How do I convert rontopascal back to picopascal?
Use the reverse factor: 1 rontopascal equals 1e-15 picopascals. You can also use the swap control in the converter above to flip the direction instantly.
What is a picopascal?
Picopascal (pPa) is a unit of pressure.
What is a rontopascal?
Rontopascal (rPa) is a unit of pressure.
Is the picopascal to rontopascal conversion exact?
Yes. Both picopascal and rontopascal are defined by fixed standards rather than physical artifacts, so the factor of 1e+15 used above is exact to as many digits as you choose to display.