1 Pa = 9.8692 × 10^−6 atm
1 pascal equals 9.8692 × 10^−6 standard atmospheres. To convert pascals to standard atmospheres, multiply the pascal value by 9.8692 × 10^−6. For quick reference: 1 Pa = 9.8692 × 10^−6 atm, 5 Pa = 4.9346 × 10^−5 atm, 10 Pa = 9.8692 × 10^−5 atm, 100 Pa = 0.000986923 atm.
Standard atmospheres = Pascals × 9.8692 × 10^−6Start with your value in pascals.
Multiply the pascal value by 9.8692 × 10^−6. This is the exact conversion factor from pascals to standard atmospheres.
The product is your value in standard atmospheres. For example, 5 Pa × 9.8692 × 10^−6 = 4.9346 × 10^−5 atm.
The exact factor from pascals to standard atmospheres is 9.8692 × 10^−6.
Standard atmospheres = Pascals × 9.8692 × 10^−6
Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.
| Pascals (Pa) | Standard atmospheres (atm) |
|---|---|
| 0.001 Pa | 9.8692 × 10^−9 atm |
| 0.01 Pa | 9.8692 × 10^−8 atm |
| 0.1 Pa | 9.8692 × 10^−7 atm |
| 0.5 Pa | 4.9346 × 10^−6 atm |
| 1 Pa | 9.8692 × 10^−6 atm |
| 1.5 Pa | 1.4804 × 10^−5 atm |
| 2 Pa | 1.9738 × 10^−5 atm |
| 2.5 Pa | 2.4673 × 10^−5 atm |
| 3 Pa | 2.9608 × 10^−5 atm |
| 4 Pa | 3.9477 × 10^−5 atm |
| 5 Pa | 4.9346 × 10^−5 atm |
| 6 Pa | 5.9215 × 10^−5 atm |
| 7 Pa | 6.9085 × 10^−5 atm |
| 8 Pa | 7.8954 × 10^−5 atm |
| 9 Pa | 8.8823 × 10^−5 atm |
| 10 Pa | 9.8692 × 10^−5 atm |
| 14 Pa | 0.00013817 atm |
| 15 Pa | 0.00014804 atm |
| 20 Pa | 0.00019738 atm |
| 25 Pa | 0.00024673 atm |
| 30 Pa | 0.00029608 atm |
| 32 Pa | 0.00031582 atm |
| 35 Pa | 0.00034542 atm |
| 40 Pa | 0.00039477 atm |
| 50 Pa | 0.00049346 atm |
| 60 Pa | 0.00059215 atm |
| 75 Pa | 0.00074019 atm |
| 80 Pa | 0.00078954 atm |
| 100 Pa | 0.00098692 atm |
| 101.325 Pa | 0.001 atm |
| 150 Pa | 0.0014804 atm |
| 200 Pa | 0.0019738 atm |
| 250 Pa | 0.0024673 atm |
| 300 Pa | 0.0029608 atm |
| 400 Pa | 0.0039477 atm |
| 500 Pa | 0.0049346 atm |
| 760 Pa | 0.0075006 atm |
| 1000 Pa | 0.0098692 atm |
| 1013.25 Pa | 0.01 atm |
| 2000 Pa | 0.019738 atm |
| 5000 Pa | 0.049346 atm |
| 10000 Pa | 0.098692 atm |
| 14.7 Pa | 0.00014508 atm |
| 50000 Pa | 0.49346 atm |
| 100000 Pa | 0.98692 atm |
| 101325 Pa | 1 atm |
| 200000 Pa | 1.9738 atm |
| 500000 Pa | 4.9346 atm |
| 1000000 Pa | 9.8692 atm |
| 10000000 Pa | 98.692 atm |
Atmospheric pressure at sea level is about 101,325 Pa. A whisper at 1 meter exerts roughly 0.01 Pa of sound pressure.
The pascal (Pa) is the SI derived unit of pressure, defined as one newton per square meter. It is the universal unit in physics and engineering documentation. In everyday life pascals are tiny — atmospheric pressure is around 101,000 Pa — so multiples like kPa and MPa dominate practical use.
The standard atmosphere (atm) is defined as exactly 101,325 Pa. It is the conventional reference for chemistry (gas-law calculations), aviation altimetry, and historic engineering. Despite the name, it is not the actual atmospheric pressure at any single place — that varies daily.