Pressure

Convert bar to atm

1 bar equals 0.98692327 standard atmospheres. Enter a value below to convert instantly.

1 bar
0.98692327 atm

Multiply the number of bars by 0.986923266716 to get standard atmospheres. How this is calculated

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Need the other direction? Convert standard atmosphere to bar →

Formula

Multiply the number of bars by 0.986923266716 to get standard atmospheres.

Step by step

  1. Start with 1 bar.
  2. Multiply by the conversion factor 0.986923266716.
  3. 1 × 0.986923266716 = 0.98692327 atm.

Bars to Standard Atmospheres conversion table

Conversion table from Bars to Standard Atmospheres
Bars (bar) Standard Atmospheres (atm)
1 0.98692327
2 1.9738465
5 4.9346163
10 9.8692327
20 19.738465
50 49.346163
100 98.692327
500 493.46163
1,000 986.92327

Convert Bar to other pressure units

1 bar expressed in every other pressure unit on this site.

  • Pascal Pa 100,000
  • Kilopascal kPa 100
  • Megapascal MPa 0.1
  • Gigapascal GPa 0.0001
  • Hectopascal hPa 1,000
  • Decipascal dPa 1,000,000
  • Millipascal mPa 100,000,000
  • Micropascal µPa 100,000,000,000
  • Nanopascal nPa 100,000,000,000,000
  • Picopascal pPa 1e+17
  • Femtopascal fPa 1e+20
  • Attopascal aPa 1e+23
  • Centipascal cPa 10,000,000
  • Dekapascal daPa 10,000
  • Terapascal TPa 1e-7
  • Petapascal PPa 1e-10
  • Exapascal EPa 1e-13
  • Newton per Square Centimeter N/cm² 10
  • Newton per Square Millimeter N/mm² 0.1
  • Millibar mbar 1,000
  • Microbar µbar 1,000,000
  • Dyne per Square Centimeter dyn/cm² 1,000,000
  • Standard Atmosphere atm 0.98692327
  • Technical Atmosphere at 1.0197162
  • Torr Torr 750.06168
  • Millitorr mTorr 750,061.68
  • Pound per Square Inch psi 14.503774
  • Kip per Square Inch ksi 0.014503774
  • Pound per Square Foot psf 2,088.5434
  • Poundal per Square Foot pdl/ft² 67,196.898
  • Short Ton-force per Square Foot tonf/ft² (US) 1.0442717
  • Long Ton-force per Square Foot tonf/ft² (UK) 0.93238546
  • Short Ton-force per Square Inch tonf/in² (US) 0.0072518869
  • Long Ton-force per Square Inch tonf/in² (UK) 0.006474899
  • Kilogram-force per Square Meter kgf/m² 10,197.162
  • Kilogram-force per Square Centimeter kgf/cm² 1.0197162
  • Kilogram-force per Square Millimeter kgf/mm² 0.010197162
  • Gram-force per Square Centimeter gf/cm² 1,019.7162
  • Millimeter of Mercury mmHg 750.06158
  • Centimeter of Mercury cmHg 75.006158
  • Inch of Mercury inHg 29.529983
  • Millimeter of Water mmH₂O 10,197.162
  • Centimeter of Water cmH₂O 1,019.7162
  • Meter of Water mH₂O 10.197162
  • Inch of Water inH₂O 401.46308
  • Foot of Water ftH₂O 33.457047
  • Inch of Mercury (60 °F) inHg (60 °F) 29.613397
  • Inch of Water (60 °F) inH₂O (60 °F) 401.85981
  • Foot of Water (60 °F) ftH₂O (60 °F) 33.488317

About the bar

The bar (bar) is a Metric unit of pressure.

About the standard atmosphere

The standard atmosphere (atm) is a Other unit of pressure.

Where this conversion is used

Converting bars to standard atmospheres comes up when tire inflation, weather forecasting, diving, and industrial systems.

Related conversions

Frequently asked questions

How many standard atmospheres are in a bar?

One bar equals 0.98692327 standard atmospheres.

How do you convert bars to standard atmospheres?

Multiply the number of bars by 0.986923266716 to get standard atmospheres.

What is 1 standard atmosphere in bars?

One standard atmosphere equals 1.01325 bars.

When would I convert bars to standard atmospheres?

This conversion is common when tire inflation, weather forecasting, diving, and industrial systems.

Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.