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Radiology Converters
Radiation - Activity Converter
Result
... Millicurie = ... Curie
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Millicurie to Curie Converter
Use this page to convert millicurie values into curie, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 mCi = 0.001 Ci
1 Ci = 1,000 mCi
Example: 1000 mCi = 1 Ci
Millicurie
One millicurie is equal to 0.001 curies or 3.7E+7 becquerels.
History: Standard metric prefix applied to the curie.
Current use: Common in nuclear medicine for diagnostic and therapeutic doses.
Also written as mCi, millicuries.
Curie
One curie is approximately the activity of 1 gram of the radium isotope 226Ra, equal to 3.7E+10 becquerels.
History: Named after Pierre and Marie Curie. Originally defined in 1910.
Current use: Still commonly used in the United States and in some clinical settings alongside the becquerel.
Also written as Ci, curies.
Millicurie to Curie table
| Millicurie [mCi] | Curie [Ci] |
|---|---|
| 0.01 mCi | 0.00001 Ci |
| 0.1 mCi | 0.0001 Ci |
| 1 mCi | 0.001 Ci |
| 2 mCi | 0.002 Ci |
| 5 mCi | 0.005 Ci |
| 10 mCi | 0.01 Ci |
| 20 mCi | 0.02 Ci |
| 50 mCi | 0.05 Ci |
| 100 mCi | 0.1 Ci |
Frequently asked questions
How many Curie (Ci) are in one Millicurie (mCi)?
One Millicurie equals 0.001 Curie.
How do you convert Millicurie to Curie?
Multiply the Millicurie value by 0.001 to get the result in Curie.
How do you convert Curie back to Millicurie?
Multiply the Curie value by 1,000 to get back to Millicurie.
What is 1000 Millicurie in Curie?
1000 Millicurie equals 1 Curie.