1 bar 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
Values either side of 1 bar.
| Bars (bar) | Atmospheres (atm) |
|---|---|
| -4 | -3.9477 |
| -3.5 | -3.4542 |
| -3 | -2.9608 |
| -2.5 | -2.4673 |
| -2 | -1.9738 |
| -1.5 | -1.4804 |
| -1 | -0.986923 |
| -0.5 | -0.493462 |
| 0 | 0 |
| 0.5 | 0.493462 |
| 1 | 0.986923 |
| 1.5 | 1.4804 |
| 2 | 1.9738 |
| 2.5 | 2.4673 |
| 3 | 2.9608 |
| 3.5 | 3.4542 |
| 4 | 3.9477 |
| 4.5 | 4.4412 |
| 5 | 4.9346 |
| 5.5 | 5.4281 |
| 6 | 5.9215 |
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.