Bar to Atmospheres Converter
Convert bar to atm instantly. 1 bar = 0.9869232667 atm.
Conversion Formula
atm = bar × 0.9869232667
Example
25 bar × 0.9869232667 = 24.67308167 atm
Convert the other way: Atmospheres to Bar →
Bar to Atmospheres Conversion Table
| Bar (bar) | Atmospheres (atm) |
|---|---|
| 0.1 | 0.09869232667 |
| 0.5 | 0.4934616334 |
| 1 | 0.9869232667 |
| 2 | 1.973846533 |
| 5 | 4.934616334 |
| 10 | 9.869232667 |
| 20 | 19.73846533 |
| 25 | 24.67308167 |
| 50 | 49.34616334 |
| 100 | 98.69232667 |
| 500 | 493.4616334 |
| 1,000 | 986.9232667 |
About These Units
- Bar (bar)
- Exactly 100,000 pascals, close to sea-level air pressure but not part of the SI. It is common for European tire pressures, scuba tanks, and espresso machines, and a millibar equals the hectopascal used in weather reports.
- Atmospheres (atm)
- The standard atmosphere, defined as exactly 101,325 Pa to represent typical sea-level air pressure. Chemists use it for gas laws and standard conditions, and divers use it to describe the pressure at depth.
Frequently Asked Questions
How many atm are in 1 bar?
1 bar equals 0.9869232667 atm.
How do I convert Bar to Atmospheres?
Multiply your Bar value by 0.9869232667. For example, 25 bar × 0.9869232667 = 24.67308167 atm.
How many bar are in 1 atm?
1 atm equals 1.01325 bar.