Millibar to Standard atmospheres
Convert millibar to standard atmospheres (mbar to atm). 1 mbar = 0.000986923266716 atm. Use the calculator, formula and conversion table.
How to convert millibar to standard atmospheres
Multiply the amount in millibar by 0.000986923266716 to get standard atmospheres. The displayed factor and results are rounded to 12 significant digits.
atm = mbar × 0.000986923266716Worked example
1 mbar = 0.000986923266716 atm. Change the amount in the calculator above to use your own value.
Units and assumptions
Uses pascals as the base unit. One standard atmosphere is 101,325 Pa and one bar is 100,000 Pa. Results are rounded for display.
Calculator results use floating-point arithmetic and are rounded for display. The reference table below uses up to 12 significant digits.
Millibar to Standard atmospheres table
| Millibar (mbar) | Standard atmospheres (atm) |
|---|---|
| 0 | 0 |
| 1 | 0.000986923266716 |
| 5 | 0.00493461633358 |
| 10 | 0.00986923266716 |
| 25 | 0.0246730816679 |
| 100 | 0.0986923266716 |
| 1,000 | 0.986923266716 |
About this conversion
What is the formula for millibar to standard atmospheres?
atm = mbar × 0.000986923266716. Multiply the amount in millibar by 0.000986923266716 to get standard atmospheres. The displayed factor and results are rounded to 12 significant digits.
How do I convert back to millibar?
Use the standard atmospheres to millibar calculator to reverse this conversion. You can also use Swap units in the calculator above.
Can I use a different pair of units?
Choose another unit in the calculator, or open the pressure converter to browse all supported pairs.