Technical atmospheres to Pounds per square inch converter

To convert technical atmospheres to pounds per square inch, enter the value in the first field. The result in pounds per square inch is calculated automatically using the exact conversion factor.

1 at ≈ 14.2233433071 psi
1 psi ≈ 0.0703069579639 at

Formula: psi ≈ at × 14.2233433071
at ≈ psi × 0.0703069579639

Definitions: 1 at = 98066.5 Pa; 1 psi = 8896443230521/1290320000 Pa

The technical atmosphere (at) equals one kilogram-force per square centimeter, exactly 98,066.5 pascals. It is found on older gauges and specifications, especially in the former Soviet Union and older European equipment, and is now largely replaced by the bar.

The pound per square inch (psi) is the customary United States unit of pressure, one pound-force per square inch. It is used for tire pressure, air compressors and water and gas pressure in the United States, and for tires in the United Kingdom too.

See the conversion table with commonly used values, handy for quick reference or study.