Formula
atm to Pa conversion formula
Use this relationship for a direct conversion:
Pa = atm x 101,325
Worked example
2 atm = 202,650 Pa.
Conventional mercury-column units are not measurements adjusted for local temperature or gravity.
Pressure conversion
Convert Standard atmosphere to Pascal
1 standard atmosphere (atm) equals 101,325 pascal (Pa). Enter any value below to convert from atm to Pa.
Enter a value and choose units. Results update instantly.
1 atm = 101,325 Pa
All Pressure units
From 1 atm| Unit | Value |
|---|---|
| Pascal Pa | 101,325 |
| Kilopascal kPa | 101.325 |
| Megapascal MPa | 0.101325 |
| Bar bar | 1.01325 |
| Millibar mbar | 1,013.25 |
| Standard atmosphere atm | 1 |
| Pound per square inch psi | 14.6959487755 |
| Torr Torr | 760 |
| Millimeter of mercury mmHg | 759.9998917256 |
| Inch of mercury inHg | 29.9212524019 |
Recent conversions
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Quick reference
Standard atmosphere to Pascal table
| Standard atmosphere (atm) | Pascal (Pa) |
|---|---|
| 0.01 | 1,013.25 |
| 0.1 | 10,132.5 |
| 1 | 101,325 |
| 2 | 202,650 |
| 5 | 506,625 |
| 10 | 1,013,250 |
| 25 | 2,533,125 |
| 50 | 5,066,250 |
| 100 | 10,132,500 |
| 1,000 | 101,325,000 |
From unit
About the standard atmosphere
Exactly 101,325 pascals.
Symbol: atm
To unit
About the pascal
One newton per square meter.
Symbol: Pa
Keep converting
Related conversions
Pascal to Standard atmosphereReverse this conversion Standard atmosphere to Kilopascalatm to kPaStandard atmosphere to Megapascalatm to MPaStandard atmosphere to Baratm to barStandard atmosphere to Millibaratm to mbarStandard atmosphere to Pound per square inchatm to psiStandard atmosphere to Torratm to Torr
Source
Conversion standard
Definitions are checked against NIST SP 811: Pressure units. Calculations use full internal precision before display rounding.
View the complete pressure converterQuestions
atm to Pa FAQ
How do you convert standard atmosphere to pascal?
Use the formula Pa = atm x 101,325. 1 standard atmosphere (atm) equals 101,325 pascal (Pa).
Is the atm to Pa conversion exact?
Both unit definitions use exact factors. Only the displayed decimal may be rounded.