How to convert atmospheres to pascals
To convert atmospheres to pascals, multiply by 101,325. Pressure conversions are used for tire inflation, weather, scuba diving, hydraulics and medical devices.
Atmosphere to Pascal conversion table
| Atmosphere (atm) | Pascal (Pa) |
|---|---|
| 0.1 atm | 10,132.5 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 |
| 10 atm | 1,013,250 Pa |
| 20 atm | 2,026,500 Pa |
| 25 atm | 2,533,125 Pa |
| 50 atm | 5,066,250 Pa |
| 100 atm | 10,132,500 Pa |
| 500 atm | 50,662,500 Pa |
| 1,000 atm | 101,325,000 Pa |
About the units
Atmosphere (atm)
A standard atmosphere is defined as exactly 101,325 pascals.
Pascal (Pa)
The pascal is the SI unit of pressure, one newton per square meter.
How to use this converter
- Type the number of atmospheres (atm) in the input box.
- The result in pascals appears instantly — no button needed.
- See the same value in every other pressure unit just below.
- Use “Swap units” to convert pascals back to atmospheres.
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many pascals are in one atmosphere?
One atmosphere equals 101,325 pascals. 101,325 is the exact factor used by this converter.
How do I convert atmospheres to pascals?
Multiply the value in atmospheres by 101,325. To go the other way, multiply pascals by 0.00000986923266716.
What is 10 atm in Pa?
10 atm = 1,013,250 Pa. Also, 5 atm = 506,625 Pa and 100 atm = 10,132,500 Pa.
What is the difference between a atmosphere and a pascal?
A standard atmosphere is defined as exactly 101,325 pascals. The pascal is the SI unit of pressure, one newton per square meter.
Is this tool free and private?
Yes — the Atmosphere to Pascal is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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