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curie
Symbol:  Ci 
Category:  Radioactivity 
SI Equivalent:  3.7×1010 Bq
Dimension T-1 
 
Notes
Named after the French scientists Pierre and Marie Curie, the Ci is equal to the radioactivity of a source which has the same radioactivity as 1 gram of the radium isotope in secular equilibrium with its radon derivative .
Convert     Ci  
1 Ci =
Frequency
  Symbol Unit Name
3.7×1010  cps  cycles per second 
3.7×1010  Hz  hertz 
Radioactivity
  Symbol Unit Name
3.7×1010  Bq  becquerel 
37  GBq  gigabecquerel 
3.7×104  MBq  megabecquerel 
1000  mCi  millicurie 
Glossary