Bar to Atmosphere
Convert Bar to Atmosphere instantly. Free online scientific unit converter with exact formula, conversion table and FAQ.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
Converter
Scientific Units Converter
Convert SI derived units, scientific notation-friendly units, atomic units, and lab measurements.
Use the converter to see the formula.
Results update instantly for Bar to Atmosphere conversions.
Reserved above the conversion cards and below the converter.
Formula
atmosphere = bar × 0.9869232667
bar = atmosphere × 1.01325
Conversion table
| 1 bar | 0.986923 atm |
| 5 bar | 4.93462 atm |
| 10 bar | 9.86923 atm |
| 20 bar | 19.7385 atm |
| 50 bar | 49.3462 atm |
| 100 bar | 98.6923 atm |
| 500 bar | 493.462 atm |
| 1000 bar | 986.923 atm |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
What is the source unit in this conversion?
The source unit is the bar (bar). A bar is exactly 100,000 pascals.
What is the destination unit in this conversion?
The destination unit is the atmosphere (atm). A standard atmosphere is exactly 101,325 pascals.
How do I convert bar to atmosphere?
Multiply the bar value by 0.9869232667. For example, 10 bar × 0.9869232667 = 9.86923 atm.
Is the bar to atmosphere 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 bar needs to be compared with, or reported in, atmosphere, such as in engineering, scientific, or laboratory calculations.
Can I convert atmosphere back to bar?
Yes. Multiply the atmosphere value by 1.01325 to get bar.
Reserved between the FAQ and the article so the page stays balanced.
About this conversion
This page converts bar (bar) to atmosphere (atm) within the scientific units converter.
A bar is exactly 100,000 pascals.
A standard atmosphere is exactly 101,325 pascals.
The formula is atmosphere = bar × 0.9869232667, 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 bar values already converted to atmosphere.