Pressure

Convert psi to atm

1 pound per square inch equals 0.068045964 standard atmospheres. Enter a value below to convert instantly.

1 psi
0.068045964 atm

Multiply the number of pounds per square inch by 0.0680459639099 to get standard atmospheres. How this is calculated

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Need the other direction? Convert standard atmosphere to pound per square inch →

Formula

Multiply the number of pounds per square inch by 0.0680459639099 to get standard atmospheres.

Step by step

  1. Start with 1 psi.
  2. Multiply by the conversion factor 0.0680459639099.
  3. 1 × 0.0680459639099 = 0.068045964 atm.

Pounds per Square Inch to Standard Atmospheres conversion table

Conversion table from Pounds per Square Inch to Standard Atmospheres
Pounds per Square Inch (psi) Standard Atmospheres (atm)
1 0.068045964
2 0.13609193
5 0.34022982
10 0.68045964
20 1.3609193
50 3.4022982
100 6.8045964
500 34.022982
1,000 68.045964

Convert Pound per Square Inch to other pressure units

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

  • Pascal Pa 6,894.7573
  • Kilopascal kPa 6.8947573
  • Megapascal MPa 0.0068947573
  • Gigapascal GPa 0.0000068947573
  • Hectopascal hPa 68.947573
  • Decipascal dPa 68,947.573
  • Millipascal mPa 6,894,757.3
  • Micropascal µPa 6,894,757,300
  • Nanopascal nPa 6,894,757,300,000
  • Picopascal pPa 6.8947573e+15
  • Femtopascal fPa 6.8947573e+18
  • Attopascal aPa 6.8947573e+21
  • Centipascal cPa 689,475.73
  • Dekapascal daPa 689.47573
  • Terapascal TPa 6.8947573e-9
  • Petapascal PPa 6.8947573e-12
  • Exapascal EPa 6.8947573e-15
  • Newton per Square Centimeter N/cm² 0.68947573
  • Newton per Square Millimeter N/mm² 0.0068947573
  • Bar bar 0.068947573
  • Millibar mbar 68.947573
  • Microbar µbar 68,947.573
  • Dyne per Square Centimeter dyn/cm² 68,947.573
  • Standard Atmosphere atm 0.068045964
  • Technical Atmosphere at 0.070306958
  • Torr Torr 51.714933
  • Millitorr mTorr 51,714.933
  • Kip per Square Inch ksi 0.001
  • Pound per Square Foot psf 144
  • Poundal per Square Foot pdl/ft² 4,633.063
  • Short Ton-force per Square Foot tonf/ft² (US) 0.072
  • Long Ton-force per Square Foot tonf/ft² (UK) 0.064285714
  • Short Ton-force per Square Inch tonf/in² (US) 0.0005
  • Long Ton-force per Square Inch tonf/in² (UK) 0.00044642857
  • Kilogram-force per Square Meter kgf/m² 703.06958
  • Kilogram-force per Square Centimeter kgf/cm² 0.070306958
  • Kilogram-force per Square Millimeter kgf/mm² 0.00070306958
  • Gram-force per Square Centimeter gf/cm² 70.306958
  • Millimeter of Mercury mmHg 51.714925
  • Centimeter of Mercury cmHg 5.1714925
  • Inch of Mercury inHg 2.0360207
  • Millimeter of Water mmH₂O 703.06958
  • Centimeter of Water cmH₂O 70.306958
  • Meter of Water mH₂O 0.70306958
  • Inch of Water inH₂O 27.679905
  • Foot of Water ftH₂O 2.3067822
  • Inch of Mercury (60 °F) inHg (60 °F) 2.0417719
  • Inch of Water (60 °F) inH₂O (60 °F) 27.707258
  • Foot of Water (60 °F) ftH₂O (60 °F) 2.3089382

About the pound per square inch

The pound per square inch (psi) is a Imperial unit of pressure.

About the standard atmosphere

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

Where this conversion is used

Converting pounds per square inch 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 pound per square inch?

One pound per square inch equals 0.068045964 standard atmospheres.

How do you convert pounds per square inch to standard atmospheres?

Multiply the number of pounds per square inch by 0.0680459639099 to get standard atmospheres.

What is 1 standard atmosphere in pounds per square inch?

One standard atmosphere equals 14.695949 pounds per square inch.

When would I convert pounds per square inch 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.