Bar to ATM Pressure Converter

• This is very close to 1 bar, which is the standard pressure used in chemistry and engineering (slightly below 1 atm).
• 1 bar = 0.986923 atm exactly; the difference is about 1.3%, so the two units are almost interchangeable in practice.

Next stepUse the output table above to read the equivalent in kPa, psi, torr, or mbar without additional steps.