Standard atmospheres to Bar
One standard atmosphere is 1.01325 bar. Pressure units for tyres, weather and diving. Tyre placards are usually in psi or bar; barometers report in hPa or mmHg.
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1 standard atmosphere = 1.01325 bar · open this conversion
Formula
bar = standard atmospheres × 1.01325
The millimetre of mercury used here is the conventional 133.322387415 Pa, defined from mercury density and standard gravity. It is very slightly larger than the torr, which is defined as exactly 1/760 of an atmosphere — so 760 mmHg is 1.00000014 atm, not exactly 1.
Standard atmospheres to Bar table
| Standard atmospheres | Bar |
|---|---|
| 1 atm | 1.01325 bar |
| 2 atm | 2.0265 bar |
| 5 atm | 5.06625 bar |
| 10 atm | 10.1325 bar |
| 15 atm | 15.19875 bar |
| 20 atm | 20.265 bar |
| 25 atm | 25.33125 bar |
| 28 atm | 28.371 bar |
| 30 atm | 30.3975 bar |
| 32 atm | 32.424 bar |
| 35 atm | 35.46375 bar |
| 40 atm | 40.53 bar |
| 45 atm | 45.59625 bar |
| 50 atm | 50.6625 bar |
| 60 atm | 60.795 bar |
| 80 atm | 81.06 bar |
| 100 atm | 101.325 bar |
| 500 atm | 506.625 bar |
| 760 atm | 770.07 bar |
| 1,000 atm | 1,013.25 bar |
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Other pressure conversions
⇄ Bar to Standard atmospheresStandard atmospheres to PascalsStandard atmospheres to KilopascalsStandard atmospheres to Pounds per square inchStandard atmospheres to Millimetres of mercury
Frequently asked questions
▸How many bar are in a standard atmosphere?
One standard atmosphere is 1.01325 bar. bar = standard atmospheres × 1.01325.
▸How do I convert standard atmospheres to bar?
Multiply the number of standard atmospheres by 1.01325. For example, 10 atm × 1.01325 = 10.1325 bar.
▸What is the difference between standard atmospheres and bar?
Standard atmosphere (atm) and Bar (bar) both measure pressure. Pressure units for tyres, weather and diving. Tyre placards are usually in psi or bar; barometers report in hPa or mmHg.
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