Nanopascal is 1e-9 pascal units.
Nanopascals to Millipascals Converter — nPa to mPa
Convert Nanopascal (nPa) to Millipascal (mPa) using the exact conversion factor (1 nanopascal = 0.000001 millipascal). See the formula, worked examples, and conversion table.
Nanopascals to Millipascals 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.
Millipascal is 0.001 pascal units.
Result = input x 1e-9 / 0.001.
Pressure uses the pascal as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Nanopascals to Millipascals
Nanopascal and Millipascal 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 millipascal is 0.001 pascal units.
Formula
millipascals = nanopascals × 0.000001
This factor comes from each unit's defined relationship to the category's base unit: 1 nanopascal equals 1e-9 base units, and 1 millipascal equals 0.001 base units, so dividing one by the other gives the direct nanopascal-to-millipascal factor of 0.000001.
Simple example
1 nPa × 0.000001 = 0.000001 mPa
1 nanopascal = 0.000001 millipascals.
Real-world example
35 nPa × 0.000001 = 0.000035 mPa
35 nanopascals = 0.000035 millipascals.
Conversion table
| Nanopascal (nPa) | Millipascal (mPa) |
|---|---|
| 1 nPa | 0.000001 mPa |
| 5 nPa | 0.000005 mPa |
| 10 nPa | 0.00001 mPa |
| 25 nPa | 0.000025 mPa |
| 50 nPa | 0.00005 mPa |
| 100 nPa | 0.0001 mPa |
Reverse conversion: Millipascal to Nanopascal
0.000001 mPa × 1000000 = 1 nPa
0.000001 millipascals = 1 nanopascal.
nanopascals = millipascals × 1000000
For a page dedicated to this direction, see Millipascal to Nanopascal.
Understanding the Nanopascal (nPa)
Nanopascal is 1e-9 pascal units.
Understanding the Millipascal (mPa)
Millipascal is 0.001 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many millipascals are in 1 nanopascal?
1 nanopascal equals 0.000001 millipascals, using the exact defined conversion factor rather than an estimate.
How do I convert nanopascal to millipascal?
Multiply the nanopascal value by 0.000001. The converter above does this instantly to whatever precision you set.
How do I convert millipascal back to nanopascal?
Use the reverse factor: 1 millipascal equals 1,000,000 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 millipascal?
Millipascal (mPa) is a unit of pressure.
Is the nanopascal to millipascal conversion exact?
Yes. Both nanopascal and millipascal are defined by fixed standards rather than physical artifacts, so the factor of 0.000001 used above is exact to as many digits as you choose to display.