Curie (Ci)

The curie (Ci) is the traditional unit of radioactivity, originally defined as the activity of 1 gram of Ra-226. One curie = 3.7×10¹⁰ decays/second = 37 GBq exactly. Named after Marie and Pierre Curie. Still used in US nuclear medicine and industry.

Convert From Curies

Curie to Becquerel Curie to Kilobecquerel Curie to Megabecquerel Ci to GBq Ci to TBq Curie to Petabecquerel Curie to Exabecquerel Curie to Microbecquerel Curie to Millicurie Curie to Microcurie Curie to Nanocurie Curie to Picocurie Curie to Kilocurie Curie to Megacurie Curie to Rutherford Curie to Disintegrations per Second Curie to Disintegrations per Minute Curie to Counts per Minute

Convert To Curies

Becquerel to Curie Kilobecquerel to Curie Megabecquerel to Curie GBq to Ci TBq to Ci Petabecquerel to Curie Exabecquerel to Curie Microbecquerel to Curie Millicurie to Curie Microcurie to Curie Nanocurie to Curie Picocurie to Curie Kilocurie to Curie Megacurie to Curie Rutherford to Curie Disintegrations per Second to Curie Disintegrations per Minute to Curie Counts per Minute to Curie

Conversion Factors

1 Ci 37000000000 Bq

1 Ci 37000000 kBq

1 Ci 37000 MBq

1 Ci 37 GBq

1 Ci 0.037 TBq

1 Ci 3.7e-5 PBq

1 Ci 3.7e-8 EBq

1 Ci 3.7e16 μBq

1 Ci 1e-6 mCi

1 Ci 1000000 μCi

1 Ci 1000000000 nCi

1 Ci 1e12 pCi

1 Ci 0.001 kCi

1 Ci 1e-6 MCi

1 Ci 37000 Rd

1 Ci 37000000000 dps

1 Ci 2.21999556e12 dpm

1 Ci 0 cpm

Related Units

Becquerel (Bq) Kilobecquerel (kBq) Megabecquerel (MBq) Gigabecquerel (GBq) Terabecquerel (TBq) Petabecquerel (PBq) Exabecquerel (EBq) Microbecquerel (μBq) Millicurie (mCi) Microcurie (μCi) Nanocurie (nCi) Picocurie (pCi) Kilocurie (kCi) Megacurie (MCi) Rutherford (Rd) Disintegrations per Second (dps) Disintegrations per Minute (dpm) Counts per Minute (cpm)