Atmosphere to Bar Converter
Convert atmospheres to bars with this free pressure converter. The exact relationship used on this page is 1 atmosphere = 1.01325 bars. Type any number — the result updates instantly, works on phones and desktops, and is ready to copy into homework, a spec sheet, or a shopping list.
Formula: Bar = Atmosphere × 1.01325
How to convert atmospheres to bars
- Enter the value in atmospheres in the converter.
- Read the equivalent amount in bars.
- Use the swap link if you need bar to atmosphere instead.
- Check the table for common values without typing.
Worked examples
- 1 atm = 1.01325 bar
- 5 atm = 5.06625 bar
- 10 atm = 10.1325 bar
- 25 atm = 25.33125 bar
Conversion table
Common atmospheres values converted to bars.
| atm | bar |
|---|---|
| 1 | 1.01325 |
| 2 | 2.0265 |
| 3 | 3.03975 |
| 4 | 4.053 |
| 5 | 5.06625 |
| 6 | 6.0795 |
| 7 | 7.09275 |
| 8 | 8.106 |
| 9 | 9.11925 |
| 10 | 10.1325 |
| 20 | 20.265 |
| 50 | 50.6625 |
| 100 | 101.325 |
| 250 | 253.3125 |
| 500 | 506.625 |
| 1,000 | 1,013.25 |
About this conversion
Atmosphere (atm) and Bar (bar) are both pressure units. Tire pressure, weather maps, scuba, and industrial gauges all report pressure in different units. Bookmark this URL when you convert atmospheres to bars often, then explore related pairs in the same category if you need a different target unit.
Need the other direction? Open the bar to atmosphere converter.
FAQ
How many bars are in 1 atmosphere?+
1 atmosphere equals 1.01325 bars.
What is the formula to convert atmospheres to bars?+
Bar = Atmosphere × 1.01325
How do I convert atmospheres to bars by hand?+
Multiply the atmosphere value by 1.01325. Example: 10 atmospheres × 1.01325 = 10.1325 bars.
Is this atm to bar converter accurate?+
Yes. Linear conversions use internationally agreed factors relative to SI. Temperature and inverse fuel units use the standard offset or reciprocal formulas, not a guessed scale factor.