Atm to Bar ConverterRight in Your Browser
Convert standard atmospheres (atm) to bars (bar). The standard atmosphere (atm) is defined as exactly 101,325 Pa — average air pressure at sea level. The bar is a metric pressure unit almost equal to one atmosphere — standard for European tire pressures and diving. Everything is calculated locally in your browser — no server, and it works offline.
1.01325 bar
in bars (bar)
To convert standard atmospheres to bars, multiply the standard atmosphere value by 1.01325.
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| Standard atmospheres (atm) | Bars (bar) |
|---|---|
| 1 | 1.01325 |
| 2 | 2.0265 |
| 3 | 3.03975 |
| 4 | 4.053 |
| 5 | 5.06625 |
| 10 | 10.1325 |
| 20 | 20.265 |
| 50 | 50.6625 |
| 100 | 101.325 |
Frequently Asked Questions
How many bars are in a standard atmosphere?
One standard atmosphere equals 1.01325 bars (1 atm = 1.01325 bar). So to go from standard atmospheres to bars, multiply the standard atmosphere value by 1.01325.
What is the formula to convert standard atmospheres to bars?
To convert standard atmospheres to bars, multiply the standard atmosphere value by 1.01325. For example, 10 atm is 10.1325 bar.
What is 1 standard atmospheres in bars?
1 standard atmospheres — air pressure at sea level — is 1.01325 bars. The converter above works for any value, entirely in your browser.
Is the standard atmosphere to bar conversion exact?
The factor used here is the defined value: 1 atm = 1.01325 bar. Results are rounded to six significant digits for readability, so for high-precision work use the full factor.
Every conversion runs 100% in your browser — zero files uploaded, ever.
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