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Atm to psi Converter (Standard Atmospheres to Pounds per Square Inch)

1 standard atmosphere = 14.69594878 pounds per square inch. To convert atm to psi, multiply by 14.69594878.

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100 atm = 1,469.595 psi

1 atm
14.6959 psi
1 psi
0.06805 atm
10 atm
146.9595 psi
100 atm
1,469.5949 psi

How to convert atm to psi

1 standard atmosphere equals 14.69594878 pounds per square inch, so the conversion is a single multiplication.

psi = atm × 14.69594878

Example: 150 atm × 14.69594878 = 2,204.392 psi.

About the standard atmosphere and the pound per square inch

Standard Atmosphere (atm)

The standard atmosphere is defined as exactly 101,325 pascals, the average air pressure at sea level.

Pound per Square Inch (psi)

Pounds per square inch is the US unit for tire pressure, air compressors and hydraulics.

1 standard atmosphere in every pressure unit

Pounds per Square Inch14.696 psi
Bar1.013 bar
Kilopascals101.325 kPa
Pascals101,325 Pa
Megapascals0.1013 MPa
Millibars1,013.25 mbar
Millimeters of Mercury760 mmHg
Inches of Mercury29.921 inHg
Torr760 Torr
Technical Atmospheres1.033 at
Ksi0.0147 ksi
Inches of Water406.782 inH₂O
psi to atmReverse conversionpsi to bar1 psi = 0.06895 barbar to psi1 bar = 14.5038 psikPa to psi1 kPa = 0.145 psipsi to kPa1 psi = 6.8948 kPa

atm to psi FAQ

How many pounds per square inch are in a standard atmosphere?

1 standard atmosphere = 14.69594878 pounds per square inch.

How many standard atmospheres are in a pound per square inch?

1 pound per square inch = 0.06804596391 standard atmospheres.

How do I convert atm to psi?

Use psi = atm × 14.69594878. For example, 10 atm = 146.959 psi.

Can I print this atm to psi chart?

Yes. Use "Print / Save PDF" next to the converter for a one-page chart, or "Download CSV" to open it in Excel or Google Sheets.