TBq

terabecquerel

Radioactivityexact by definition

The terabecquerel is 10¹² Bq, or about 27 curies. It is the unit of industrial and medical source inventories: a hospital's cobalt-60 teletherapy source is a few hundred TBq, and a radiotherapy brachytherapy source a fraction of one.

1 TBq 1,000,000,000,000 Bq
Solvers that use radioactivity