🔩 Pressure
atmospheres to bar Converter
Convert atmospheres to bar instantly with a reference conversion table.
Quick answer: To convert atmospheres to bar, multiply by 1.01325. For example, 1 atmospheres = 1.01325 bar. Use the calculator below for any value.
atmospheres to bar
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Common conversions
| atmospheres | bar |
|---|
Formula:
How to convert atmospheres to bar
1
Enter your value
Type the number of atmospheres you want to convert into the left box. The result in bar appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — bar to atmospheres. Your current value carries across so you don't have to re-enter anything.
3
About atmospheres and bar
atmospheres and bar are common pressure measurements.
📊 Common conversions at a glance
| atmospheres | bar |
|---|---|
| 0.001 | 0.001013 |
| 0.01 | 0.01013 |
| 0.1 | 0.1013 |
| 0.5 | 0.5066 |
| 1 | 1.013 |
| 1.5 | 1.52 |
Reviewed for 2026. atmospheres ↔ bar conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.