Pounds per square inch to Technical atmospheres converter

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

1 psi ≈ 0.0703069579639 at
1 at ≈ 14.2233433071 psi

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

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

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.

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.

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