Bar to Standard atmosphere Converter
1 bar is about 0.9869232667 standard atmospheres. Convert bars (bar) to standard atmospheres (atm) below: type a value and the result updates as you type.
bar to atm calculator
Result
Bar to Standard atmosphere conversion
1 bar ≈ 0.9869232667 atmone bar in standard atmospheres
1 atm = 1.01325 barone standard atmosphere in bars
Bar (bar): Exactly 100 000 pascals.
Standard atmosphere (atm): Exactly 101 325 pascals.
Source:NIST Special Publication 811 (2008), Appendix B.8
How to convert bars to standard atmospheres
To convert bars to standard atmospheres, divide the number of bars by 1.01325.
Formula
atm = bar ÷ 1.01325
Examples
- 5 bar = 5 ÷ 1.01325 ≈ 4.934616334 atm
- 25 bar = 25 ÷ 1.01325 ≈ 24.67308167 atm
- 100 bar = 100 ÷ 1.01325 ≈ 98.69232667 atm
Bar to Standard atmosphere conversion table
| Bar (bar) | Standard atmosphere (atm) |
|---|---|
| 0.1 bar | 0.09869232667 atm |
| 0.5 bar | 0.4934616334 atm |
| 1 bar | 0.9869232667 atm |
| 2 bar | 1.973846533 atm |
| 3 bar | 2.9607698 atm |
| 5 bar | 4.934616334 atm |
| 10 bar | 9.869232667 atm |
| 20 bar | 19.73846533 atm |
| 25 bar | 24.67308167 atm |
| 50 bar | 49.34616334 atm |
| 100 bar | 98.69232667 atm |
| 250 bar | 246.7308167 atm |
| 500 bar | 493.4616334 atm |
| 1000 bar | 986.9232667 atm |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many standard atmospheres are in one bar?
- One bar is about 0.9869232667 standard atmospheres.
- How do I convert standard atmospheres to bars?
- To convert standard atmospheres to bars, multiply the number of standard atmospheres by 1.01325. The formula is bar = atm × 1.01325.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 1.01325 is exact. Displayed results are only rounded when they have many decimal places.
- Which is larger, a bar or a standard atmosphere?
- A standard atmosphere is 1.01325 times larger than a bar. In other words, a bar is about 0.9869232667 of a standard atmosphere.