Bar to Atm ConverterRight in Your Browser
Convert bars (bar) to standard atmospheres (atm). The bar is a metric pressure unit almost equal to one atmosphere — standard for European tire pressures and diving. The standard atmosphere (atm) is defined as exactly 101,325 Pa — average air pressure at sea level. Everything is calculated locally in your browser — no server, and it works offline.
0.986923 atm
in standard atmospheres (standard atmosphere)
To convert bars to standard atmospheres, multiply the bar value by 0.986923.
Switch to Atm to BarBar to Atm Chart
| Bars (bar) | Standard atmospheres (atm) |
|---|---|
| 1 | 0.986923 |
| 2 | 1.97385 |
| 3 | 2.96077 |
| 4 | 3.94769 |
| 5 | 4.93462 |
| 10 | 9.86923 |
| 20 | 19.7385 |
| 50 | 49.3462 |
| 100 | 98.6923 |
Frequently Asked Questions
How many standard atmospheres are in a bar?
One bar equals 0.986923 standard atmospheres (1 bar = 0.986923 atm). So to go from bars to standard atmospheres, multiply the bar value by 0.986923.
What is the formula to convert bars to standard atmospheres?
To convert bars to standard atmospheres, multiply the bar value by 0.986923. For example, 10 bar is 9.86923 atm.
What is 2.2 bars in standard atmospheres?
2.2 bars — typical car tire pressure — is 2.17123 standard atmospheres. The converter above works for any value, entirely in your browser.
Is the bar to standard atmosphere conversion exact?
The factor used here is the defined value: 1 bar = 0.9869232667 atm. Results are rounded to six significant digits for readability, so for high-precision work use the full factor.
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