Atmospheres to Bars Converter

1 atm = 1.01325 bar. Type any value below for the exact bars figure.

atm
1.01325bar

1 atm = 1.01325 bar

Conversion summary

1 atm = 1.01325 bar

Formula
Bar = Atmosphere × 1.01325
Category
Pressure
Units
atm → bar

1 atm in other units

Values update with the converter above. Select a row to open that conversion's detailed page.

  • Pascal101,325 Pa
  • Kilopascal101.325 kPa
  • Megapascal0.101325 MPa
  • Hectopascal1,013.25 hPa
  • Bar1.01325 bar
  • Millibar1,013.25 mbar
  • Technical atmosphere1.033227 at
  • PSI14.69595 psi
  • Millimeter of mercury759.9999 mmHg
  • Millimeter of water10,332.27 mmH2O
  • Torr760 Torr
  • Kilogram-force per square centimeter1.033227 kgf/cm²

How do you convert atmospheres to bars?

To convert atmospheres to bars, multiply the number of atmospheres by 1.01325. 1 atm = 1.01325 bar.

Conversion formula

Bar = Atmosphere × 1.01325

Atmospheres to bars conversion table

Atmospheres (atm)Bars (bar)
0.5 atm0.506625 bar
1 atm1.01325 bar
2 atm2.0265 bar
5 atm5.06625 bar
10 atm10.1325 bar
20 atm20.265 bar
50 atm50.6625 bar

What is Atmosphere?

Atmosphere is a pressure unit used to express mechanical, atmospheric or process pressure values.

Short history of Atmosphere

The standard atmosphere was defined by the General Conference on Weights and Measures in 1954 as exactly 101,325 Pa, close to average air pressure at sea level.

Open the Atmosphere unit guide

What is Bar?

The bar is a pressure unit equal to 100,000 pascals. It is widely used in industrial and service equipment.

Short history of Bar

The bar became popular because it expresses many practical pressure ranges compactly. It remains common even though it is not an SI unit.

Open the Bar unit guide

Frequently asked questions

What is 1 Atmosphere in Bar?

1 atm = 1.01325 bar.

How do you convert Atmosphere to Bar?

To convert atmospheres to bars, multiply the number of atmospheres by 1.01325. 1 atm = 1.01325 bar.

Frequently asked questions

How many bars are in 1 atmosphere?

1 atm = 1.01325 bar.

How do you convert atmospheres to bars?

To convert atmospheres to bars, multiply the number of atmospheres by 1.01325. 1 atm = 1.01325 bar.

How many atmospheres are in 1 bar?

1 bar = 0.986923 atm.

Sources

  1. BIPM: The International System of Units (SI Brochure)
  2. NIST: Pressure and Gas Flow Unit Conversions
  3. NIST: Guide to the SI — Conversion Factors

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