Micropascal is 0.000001 pascal units.
Micropascals to Pascals Converter — uPa to Pa
Convert Micropascal (uPa) to Pascal (Pa) using the exact conversion factor (1 micropascal = 0.000001 pascal). See the formula, worked examples, conversion table, history, and common uses.
Micropascals to Pascals 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.
The pascal is one newton per square meter.
Result = input x 1e-6 / 1.
Pressure uses the pascal as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Micropascals to Pascals
Micropascal and Pascal 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: Micropascal is 0.000001 pascal units, and the pascal is one newton per square meter.
Formula
pascals = micropascals × 0.000001
This factor comes from each unit's defined relationship to the category's base unit: 1 micropascal equals 0.000001 base units, and 1 pascal equals 1 base unit, so dividing one by the other gives the direct micropascal-to-pascal factor of 0.000001.
Simple example
1 uPa × 0.000001 = 0.000001 Pa
1 micropascal = 0.000001 pascals.
Real-world example
35 uPa × 0.000001 = 0.000035 Pa
35 micropascals = 0.000035 pascals.
Conversion table
| Micropascal (uPa) | Pascal (Pa) |
|---|---|
| 1 uPa | 0.000001 Pa |
| 5 uPa | 0.000005 Pa |
| 10 uPa | 0.00001 Pa |
| 25 uPa | 0.000025 Pa |
| 50 uPa | 0.00005 Pa |
| 100 uPa | 0.0001 Pa |
Reverse conversion: Pascal to Micropascal
0.000001 Pa × 1000000 = 1 uPa
0.000001 pascals = 1 micropascal.
micropascals = pascals × 1000000
For a page dedicated to this direction, see Pascal to Micropascal.
Understanding the Micropascal (uPa)
Micropascal is 0.000001 pascal units.
Understanding the Pascal
Pascal (Pa) measures pressure. The pascal is the SI derived unit of pressure: one newton of force per square meter. It is classified as a SI derived unit.
Where it's used: Standard scientific pressure unit worldwide
Uses of the Pascal today
- Scientific and engineering pressure measurement worldwide
- Meteorology (often as hectopascals, equivalent to millibars)
- Material science (stress and strength, typically in megapascals)
History of the Pascal
The pascal is named after Blaise Pascal, whose 17th-century experiments clarified the physics of fluid pressure and vacuum. It was adopted as the SI derived unit of pressure in 1971, replacing the older, non-coherent CGS pressure units used in much scientific work up to that point.
Historical origin. Pascal was not the invention of a single named person; it developed through the process described above.
Pascal — sources
- BIPM SI Brochure — Coherent derived units — Defines the pascal as the SI unit of pressure.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pascals are in 1 micropascal?
1 micropascal equals 0.000001 pascals, using the exact defined conversion factor rather than an estimate.
How do I convert micropascal to pascal?
Multiply the micropascal value by 0.000001. The converter above does this instantly to whatever precision you set.
How do I convert pascal back to micropascal?
Use the reverse factor: 1 pascal equals 1,000,000 micropascals. You can also use the swap control in the converter above to flip the direction instantly.
What is a micropascal?
Micropascal (uPa) is a unit of pressure.
What is a pascal?
Pascal (Pa) measures pressure. The pascal is the SI derived unit of pressure: one newton of force per square meter. It is classified as a SI derived unit.
Is the micropascal to pascal conversion exact?
Yes. Both micropascal and pascal 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.