Bars to Atmospheres Converter
Enter a pressure in bar and instantly see the equivalent in standard atmospheres (atm), plus common reference pressures.
Enter Pressure in Bar
Result in Atmospheres (atm)
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Conversion factor: 1 bar = 0.986923 atm |
1 atm = 1.01325 bar
Pressure Reference
| Bar | Atm | Reference |
|---|---|---|
| 0 | 0 | Absolute vacuum |
| 0.03 | 0.0296 | Low vacuum packaging |
| 1 | 0.9869 | 1 bar (≈ sea-level air) |
| 1.01325 | 1.0000 | 1 standard atmosphere |
| 2.5 | 2.467 | Typical car tire pressure |
| 3 | 2.961 | Scuba tank low warning |
| 9 | 8.882 | Espresso machine (≈ 9 bar) |
| 200 | 197.4 | Full scuba tank |
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Summary
Enter a pressure in bar and instantly see the equivalent in standard atmospheres (atm), plus common reference pressures.
How it works
- Enter the pressure value in bar in the input field.
- The converter multiplies your value by 0.986923 to get atmospheres.
- The result updates instantly as you type.
- Copy the result with one click.
- Use the reference table to compare your result against familiar pressures.
Use cases
- Convert tire pressure readings between bar and atm.
- Translate industrial gauge readings from bar to atmospheres for scientific reports.
- Convert scuba diving depth pressure values for dive planning.
- Check weather or atmospheric data in different pressure units.
- Convert hydraulic system pressures for engineering calculations.
- Understand pressure specifications on equipment using mixed unit systems.
Frequently Asked Questions
Last updated: 2026-07-01 ·
Reviewed by Nham Vu