Pascal to Atmosphere Converter
Pressure · unit-converter
Convert Pascal to Atmosphere with a fixed input and output unit, step-by-step formula line, and reference tables. All calculations bridge through pascal with fixed definitions (standard atmosphere = 101,325 Pa; torr and mmHg = atm/760; plus industrial/manometer units like kgf/cm², inHg, inH2O, and mmH2O).
About Pascal
The pascal (Pa) is the SI unit of pressure (one newton per square meter). It is the common reference for scientific and engineering work.
About Atmosphere
The standard atmosphere (atm) is defined as exactly 101,325 Pa. It links legacy chemistry and physics problems to SI.
How to convert pascal to atmosphere
1 pascal equals 0.000009869232667160129 atmosphere in this tool (via pascal):
1 pa = (1 Pa ÷ 101325 Pa) atm = 0.000009869232667160129 atm
Each pascal carries 1 Pa and each atmosphere 101325 Pa, so one pa equals 1 ÷ 101325 atm.
Let p(pa) be pressure in Pascal (pa), and p(atm) in Atmosphere (atm). Then:
p(atm) = p(pa) × (1 / 101325)
Equivalently, divide by how many pa fit into one atm (Pa per atm divided by Pa per pa):
p(atm) = p(pa) ÷ 101325
Examples
Example #1: Convert 1 pa to atmosphere
1 pa = 1 pa × (1/101325) atm = 0.0000098692 atm
1 pa = 1 pa ÷ 101325 = 0.0000098692 atm
1 pa × (1/101,325) = 0.000010 atm
Example #2: Convert 10 pa to atmosphere
10 pa = 10 pa × (1/101325) atm = 0.0000986923 atm
10 pa = 10 pa ÷ 101325 = 0.0000986923 atm
10 pa × (1/101,325) = 0.000099 atm
Summary
To convert Pascal to Atmosphere, multiply the value in pa by (1 Pa per pa) / (101325 Pa per atm). Equivalently: value_atm = value_pa × (1 / 101325). Numerically, 1 pa equals 0.000009869232667160129 atm.
Relationship context
Both Pascal and Atmosphere are converted by fixed multiples of the pascal. Multiplying by (Pa per pa) ÷ (Pa per atm) gives the same result as passing through pascal, keeping bar, atm, PSI, kPa, hPa, torr, and mmHg consistent on the hub.
Conversion tables
| Pascal (pa) | Atmosphere (atm) |
|---|---|
| 0.1 | 0.0000009869 |
| 1 | 0.0000098692 |
| 2 | 0.0000197385 |
| 3 | 0.0000296077 |
| 4 | 0.0000394769 |
| 5 | 0.0000493462 |
| 6 | 0.0000592154 |
| 7 | 0.0000690846 |
| 8 | 0.0000789539 |
| 9 | 0.0000888231 |
| Pascal (pa) | Atmosphere (atm) |
|---|---|
| 10 | 0.0000986923 |
| 20 | 0.0001973847 |
| 30 | 0.000296077 |
| 40 | 0.0003947693 |
| 50 | 0.0004934616 |
| 60 | 0.000592154 |
| 70 | 0.0006908463 |
| 80 | 0.0007895386 |
| 90 | 0.0008882309 |
| 100 | 0.0009869233 |