Convert bars to atmospheres
1 bar = 0.98692327 atm. Change the amount below, or read the formula and the reference table further down.
1 bar equals
atmospheres
1 bar = 0.98692327 atm
The formula
Bars and atmospheres both measure pressure from the same zero, so a single multiplier does the job.
atm = bar × 0.9869232667
Going the other way? Convert atmospheres to bars.
Bars to atmospheres table
Common values, rounded for reading.
| Bars (bar) | Atmospheres (atm) |
|---|---|
| 1 | 0.986923 |
| 2 | 1.9738 |
| 3 | 2.9608 |
| 4 | 3.9477 |
| 5 | 4.9346 |
| 6 | 5.9215 |
| 7 | 6.9085 |
| 8 | 7.8954 |
| 9 | 8.8823 |
| 10 | 9.8692 |
| 15 | 14.8038 |
| 20 | 19.7385 |
| 25 | 24.6731 |
| 30 | 29.6077 |
| 40 | 39.4769 |
| 50 | 49.3462 |
| 75 | 74.0192 |
| 100 | 98.6923 |
| 250 | 246.73 |
| 500 | 493.46 |
| 1,000 | 986.92 |
Questions people ask
- How many atmospheres are in a bar?
- One bar equals 0.9869232667 atmospheres.
- How do I convert bars to atmospheres by hand?
- Multiply the number of bars by 0.9869232667. For a rough check, 0.987 is close enough for most everyday use.
- What is 1 bar in atmospheres?
- 1 bar is 0.98692327 atmospheres.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.