ATM to Bar Converter
1 standard atmosphere = 1.01325 bar. Sea-level atmospheric pressure.
Formula:1 atm = 1.01325 bar
⇄ Switch to Bar To atmAtmosphere to Bar — common values
1 atm1.01325 bar
10 atm10.1325 bar
14.7 atm14.894775 bar
100 atm101.325 bar
1,000 atm1,013.25 bar
10,000 atm10,132.5 bar
100,000 atm101,325 bar
How to convert atm To Bar
To convert atm to bar, use the formula: 1 atm = 1.01325 bar. Enter any value in the input field above and the result appears instantly. Click the ⇄ button or use the “Switch to Bar To atm” link to reverse the conversion.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000) and are accurate to 8 significant figures.
Frequently Asked Questions
What is the formula to convert atm To Bar?
1 atm = 1.01325 bar. 1 standard atmosphere = 1.01325 bar. Sea-level atmospheric pressure.
Is this converter free?
Yes — completely free, no registration required. Works instantly in your browser.
How do I convert Bar To atm?
Use the Bar To atm converter or click the ⇄ switch button above.
More Pressure conversions
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