Atmosphere to Pascal Pressure Converter
Convert Atmosphere (atm) to Pascal (Pa) with this free calculator. Type a value, press Convert, and the page applies the same factor shown in the formula below — no rounded shortcut, and nothing is stored on a server.
Pascal to Atmosphere (Pa to atm) ►
How to convert Atmosphere to Pascal
1 atm = 101,325 Pa
1 atmosphere (atm) is equal to 101325 pascal (Pa).
Pa = atm × 101325
Multiply the pressure in atmospheres by 101325:
Example: Convert 1 atm to Pa:
Pa = 1 × 101325 = 101325 Pa
What is a Atmosphere?
The Atmosphere (atm) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
What is a Pascal?
The Pascal (Pa) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
This page converts pressure from Atmosphere into Pascal. One atm equals 101325 Pa.
Atmosphere to Pascal conversion table
Common atm values and the matching Pa result, calculated with the same factor as the widget. Highlight a nearby row if you want a quick check without entering a number.
| Atmosphere (atm) | Pascal (Pa) |
|---|---|
| 0.5 atm | 50662.5 Pa |
| 1 atm | 101325 Pa |
| 2 atm | 202650 Pa |
| 5 atm | 506625 Pa |
| 10 atm | 1013250 Pa |
| 100 atm | 10132500 Pa |
How this calculator works
The form on this page is a Atmosphere-to-Pascal converter. After you enter a number, JavaScript multiplies or rearranges it with the published conversion factor and writes the Pa result in the output box. The step-by-step panel repeats the arithmetic so you can copy it into homework or a spreadsheet.
Reviewed by Hamsen, founder of GigaTables and a biology engineer. See the about page for how formulas are checked before a tool is published.
FAQ
How many Pa are in 1 atm?
1 atm = 101325 Pa.
How do I convert Atmosphere to Pascal?
Multiply the pressure in atmospheres by 101325:
Is this atm to Pa converter free?
Yes. GigaTables calculators are free to use in a browser. You do not need an account, and the values you type are not uploaded.