How to convert atmospheres to pascals
Pa = atm × 101,325Multiply the value in atmospheres by 101,325. To go the other way, multiply by 0.000009869232667 (or divide by 101,325).
A standard atmosphere is larger than a pascal: one standard atmosphere contains 101,325 pascals.
Worked examples
- 1 standard atmosphere1 atm × 101,325 = 101,325 Pa
- 5 atmospheres5 atm × 101,325 = 506,625 Pa
- 10 atmospheres10 atm × 101,325 = 1,013,250 Pa
- 20 atmospheres20 atm × 101,325 = 2,026,500 Pa
- 100 atmospheres100 atm × 101,325 = 10,132,500 Pa
Atmospheres to pascals conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Atmospheres (atm) | Pascals (Pa) |
|---|---|
| 0.1 atm | 10,132.5 Pa |
| 0.25 atm | 25,331.25 Pa |
| 0.5 atm | 50,662.5 Pa |
| 1 atm | 101,325 Pa |
| 2 atm | 202,650 Pa |
| 3 atm | 303,975 Pa |
| 4 atm | 405,300 Pa |
| 5 atm | 506,625 Pa |
| 6 atm | 607,950 Pa |
| 7 atm | 709,275 Pa |
| 8 atm | 810,600 Pa |
| 9 atm | 911,925 Pa |
| 10 atm | 1,013,250 Pa |
| Atmospheres (atm) | Pascals (Pa) |
|---|---|
| 12 atm | 1,215,900 Pa |
| 15 atm | 1,519,875 Pa |
| 20 atm | 2,026,500 Pa |
| 25 atm | 2,533,125 Pa |
| 30 atm | 3,039,750 Pa |
| 40 atm | 4,053,000 Pa |
| 50 atm | 5,066,250 Pa |
| 75 atm | 7,599,375 Pa |
| 100 atm | 10,132,500 Pa |
| 250 atm | 25,331,250 Pa |
| 500 atm | 50,662,500 Pa |
| 1,000 atm | 101,325,000 Pa |
About the units
Standard atmosphere (atm)
Exactly 101,325 Pa — average sea-level air pressure.
Pascal (Pa)
One newton per square metre — a very small pressure. Atmospheric pressure is about 101,325 Pa.
Frequently asked questions
How many pascals are in one standard atmosphere?
There are 101,325 pascals in one standard atmosphere, and this value is exact by definition.
How do I convert atmospheres to pascals?
Multiply the number of atmospheres by 101,325. For example, 10 atm × 101,325 = 1,013,250 Pa.
How many atmospheres are in one pascal?
One pascal equals 0.000009869232667 atmospheres. That is the reverse factor, 1 ÷ 101,325.
What is 10 atmospheres in pascals?
10 atm = 1,013,250 Pa.
Is this atm to Pa converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.