🔩 Pressure

atmospheres to bar Converter

Convert atmospheres to bar instantly: 1 atmospheres = 1.01325 bar. Free converter with the formula, a reference table and FAQs — no sign-up.

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.

Worked examples: atmospheres to bar

Multiply the atmospheres value by 1.01325 to get bar. A few quick examples:

  • 5 atmospheres × 1.01325 = 5.06625 bar
  • 25 atmospheres × 1.01325 = 25.3313 bar
  • 250 atmospheres × 1.01325 = 253.312 bar
📊 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.

Frequently asked questions

How do I convert atmospheres to bar?

To convert atmospheres to bar, multiply by 1.01325. Or use the calculator above for instant results.

How many bar are in 1 atmospheres?

1 atmospheres equals 1.01325 bar.

Is the atmospheres to bar converter free?

Yes, the atmospheres to bar converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.