A technical atmosphere (symbol: at) is a non-SI unit of pressure equal to 1 kilogram-force per square centimeter, i.e. 98.066 5 kilopascals (kPa) or about 0.96784 standard atmospheres.

External Links

• NIST Guide for the Use of the International System of Units (SI), Appendix B: Conversion Factors (http://physics.nist.gov/Pubs/SP811/appenB8.html)