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Standard atmosphere to Bar

1 atm = 1.01325 bar

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0

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Precision & format
10

1 atm equals

1.01325bar

All 18 units
  • PascalPa
    101,325
  • KilopascalkPa
    101.325
  • MegapascalMPa
    0.101325
  • HectopascalhPa
    = 1 mbar
    1,013.25
  • Barbar
    1.01325
  • Millibarmbar
    1,013.25
  • Standard atmosphereatm
    1
  • Pound per square inchpsi
    14.69594878
  • Kilopound per square inchksi
    0.01469594878
  • Pound per square footpsf
    2,116.216624
  • TorrTorr
    1/760 atm
    760
  • Millimeter of mercurymmHg
    conventional
    759.9998917
  • Centimeter of mercurycmHg
    75.99998917
  • Inch of mercuryinHg
    conventional
    29.9212524
  • Millimeter of watermmH₂O
    conventional
    10,332.27453
  • Meter of watermH₂O
    10.33227453
  • Inch of waterinH₂O
    at 4 °C
    406.7824645
  • Kilogram-force per cm²kgf/cm²
    technical atmosphere
    1.033227453

Standard atmosphere to Bar table

Common Standard atmosphere values converted to Bar
Standard atmosphere (atm)Bar (bar)
11.01325
22.0265
55.06625
1010.1325
2020.265
5050.6625
100101.325
250253.3125
500506.625
1,0001,013.25

How the conversion works

Multiply the standard atmosphere figure by 1.01325 to get bar. Every factor on this site is anchored to the SI base unit for pressure, so the same number is used everywhere it appears.

Going the other way, 1 bar = 0.98692327 atm — see bar to standard atmosphere.

See all 18 pressure units →

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