Quick answer: 1 Bar in Atmosphere (atm)
1 bar equals 0.986923 atm. To convert Bar to Atmosphere (atm), multiply by 0.986923 using the free calculator above — no signup needed.
Pressure units
Every unit in this category with its exact value. Click any card to open its converter.
About Pressure Converter
The Pressure Converter converts between 6 different units, including Pascal, Kilopascal, Bar, PSI (lbf/in²), Atmosphere (atm). The base unit is the Pascal, and every other unit on this page is defined as an exact multiple of it. Type any value into the calculator above to convert instantly — free, unlimited, no signup and nothing to install.
Common equivalents: 1 Pascal = 0.001 Kilopascal, 0.00001 Bar, 0.000145038 PSI (lbf/in²).
Scale of this category: the smallest unit is the Pascal (Pa) and the largest is the Atmosphere (atm) (atm).
Last updated: 2026-09-15
Pressure conversion factors
| Unit | Symbol | Value in Pascal |
|---|---|---|
| Pascal | Pa | 1 Pa = 1 Pa |
| Kilopascal | kPa | 1 kPa = 1000 Pa |
| Bar | bar | 1 bar = 100000 Pa |
| PSI (lbf/in²) | psi | 1 psi = 6894.76 Pa |
| Atmosphere (atm) | atm | 1 atm = 101325 Pa |
| Torr / mmHg | Torr | 1 Torr = 133.322368 Pa |
Worked Examples
See exactly how the conversion works with real numbers, step by step.
How much is 1 Bar in Atmosphere (atm)?
- Multiply 1 by the conversion factor 0.986923
- 1 Bar = 0.986923 Atmosphere (atm)
How much is 10 Bar in Atmosphere (atm)?
- Multiply 10 by the conversion factor 0.986923
- 10 Bar = 9.869233 Atmosphere (atm)
How much is 100 Bar in Atmosphere (atm)?
- Multiply 100 by the conversion factor 0.986923
- 100 Bar = 98.692327 Atmosphere (atm)
Quick Conversion Reference Table
| Bar (bar) | Atmosphere (atm) (atm) |
|---|---|
| 1 bar (Bar) | 0.986923 atm (Atmosphere (atm)) |
| 2 bar (Bar) | 1.973847 atm (Atmosphere (atm)) |
| 5 bar (Bar) | 4.934616 atm (Atmosphere (atm)) |
| 10 bar (Bar) | 9.869233 atm (Atmosphere (atm)) |
| 20 bar (Bar) | 19.738465 atm (Atmosphere (atm)) |
| 50 bar (Bar) | 49.346163 atm (Atmosphere (atm)) |
| 100 bar (Bar) | 98.692327 atm (Atmosphere (atm)) |
| 500 bar (Bar) | 493.461633 atm (Atmosphere (atm)) |
| 1000 bar (Bar) | 986.923267 atm (Atmosphere (atm)) |
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How to Use This Converter
- Enter your value
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FAQ
How much is 1 Bar in Atmosphere (atm)?
1 Bar = 0.986923 Atmosphere (atm).
How do I convert Bar to Atmosphere (atm)?
Enter your value in Bar into the converter above and the result in Atmosphere (atm) appears instantly. 1 bar equals 0.986923 atm — just multiply your value by 0.986923.
What is the formula for Bar to Atmosphere (atm)?
The formula is: value in Atmosphere (atm) = value in Bar × 0.986923. For example, 10 bar × 0.986923 = 9.869233 atm.
Is this Bar to Atmosphere (atm) converter free and accurate?
Yes. This Bar to Atmosphere (atm) converter is 100% free, uses the exact international conversion factor (0.986923), and works on any device with no signup.
How do I convert Atmosphere (atm) back to Bar?
To convert back, divide by 0.986923 (or multiply by 1.01325). You can also use our dedicated How Many Bar in 1 Atmosphere (atm)? page for instant results.
Do I need to download an app or sign up?
No. The converter runs entirely in your browser — nothing to install, no account, no fees. It even keeps working offline once the page has loaded.
Which Pressure units are supported?
This converter supports 6 units: Pascal, Kilopascal, Bar, PSI (lbf/in²), Atmosphere (atm), Torr / mmHg.