Atmosphere to Bar
Convert Atmosphere to Bar instantly. Free online scientific unit converter with exact formula, conversion table and FAQ.
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Formula
bar = atmosphere × 1.01325
atmosphere = bar × 0.9869232667
Conversion table
| 1 atm | 1.01325 bar |
| 5 atm | 5.06625 bar |
| 10 atm | 10.1325 bar |
| 20 atm | 20.265 bar |
| 50 atm | 50.6625 bar |
| 100 atm | 101.325 bar |
| 500 atm | 506.625 bar |
| 1000 atm | 1013.25 bar |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the atmosphere (atm). A standard atmosphere is exactly 101,325 pascals.
What is the destination unit in this conversion?
The destination unit is the bar (bar). A bar is exactly 100,000 pascals.
How do I convert atmosphere to bar?
Multiply the atmosphere value by 1.01325. For example, 10 atm × 1.01325 = 10.1325 bar.
Is the atmosphere to bar conversion exact?
Yes. The relationship between these units is a fixed mathematical or SI-defined ratio, so the conversion factor is exact rather than a measured approximation.
Where is this conversion commonly used?
It's used whenever a value expressed in atmosphere needs to be compared with, or reported in, bar, such as in engineering, scientific, or laboratory calculations.
Can I convert bar back to atmosphere?
Yes. Multiply the bar value by 0.9869232667 to get atmosphere.
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About this conversion
This page converts atmosphere (atm) to bar (bar) within the scientific units converter.
A standard atmosphere is exactly 101,325 pascals.
A bar is exactly 100,000 pascals.
The formula is bar = atmosphere × 1.01325, based on each unit's fixed relationship to the scientific converter's reference units.
The conversion is exact, since it relies on a fixed numerical ratio between the two units rather than a measured or approximate value.
Use the calculator above for instant results, or the table below for common atmosphere values already converted to bar.