Atmospheres to Bar Converter
Convert atmosphere to bar instantly. Type a value below — the result updates as you type.
When you need to convert atmosphere to bar
Pressure conversions are used for tyre inflation, weather readings, scuba and industrial gauges, and HVAC work, where gauges and manuals may be calibrated in different units.
Typical values: 0.5 atm is about 0.5066 bar, and 100 atm works out to roughly 101.325 bar. Because the ratio is fixed at 1.0132, you can scale any amount linearly — doubling the atmospheres doubles the bar.
A single tyre or gauge spec is often printed in two or three pressure units side by side for international use.
How to convert atmosphere to bar
One atmosphere equals 1.0132 bar. To convert, multiply the number of atmospheres by 1.0132:
bar = atmospheres × 1.0132
For example, 10 atmospheres × 1.0132 = 10.1325 bar.
Atmospheres to bar conversion table
| Pressure (atm) | Bar (bar) |
|---|---|
| 1 atm | 1.0132 bar |
| 2 atm | 2.0265 bar |
| 3 atm | 3.0397 bar |
| 5 atm | 5.0663 bar |
| 10 atm | 10.1325 bar |
| 20 atm | 20.265 bar |
| 50 atm | 50.6625 bar |
| 100 atm | 101.325 bar |
FAQ
How many bar are in a atmosphere?
One atmosphere = 1.0132 bar.
How do I convert bar back to atmospheres?
Divide by 1.0132, or use the bar to atmospheres converter.