Convert Millicuries to Kilocuries
Convert Millicuries (mCi) to Kilocuries (kCi) instantly and accurately.
Conversion Formula
kCi = mCi × 1.000000000e-6
About Millicuries
The millicurie (mCi) equals 3.7 × 10⁷ Bq = 37 MBq. The primary clinical nuclear medicine unit in the US: ¹⁸F-FDG PET doses are 8-15 mCi; ⁹⁹mTc cardiac stress tests use 25-35 mCi; ¹³¹I hyperthyroidism therapy uses 5-30 mCi. US pharmacopeia and NRC regulations specify doses in mCi. 1 mCi = 3.7 × 10⁷ Bq.
About Kilocuries
The kilocurie (kCi) equals 3.7 × 10¹³ Bq. ⁶⁰Co and ¹³⁷Cs blood irradiation and food sterilisation facilities use 20-200 kCi sources; research reactor fission product inventories are characterised in kCi; ⁹⁰Sr/⁹⁰Y radioisotope thermoelectric generators (RTGs) contain 10-150 kCi. 1 kCi = 3.7 × 10¹³ Bq.
Quick Reference Table
| Millicuries (mCi) | Kilocuries (kCi) |
|---|---|
| 1 mCi | 1 × 10-6 kCi |
| 2 mCi | 2 × 10-6 kCi |
| 5 mCi | 5 × 10-6 kCi |
| 10 mCi | 1 × 10-5 kCi |
| 25 mCi | 2.5 × 10-5 kCi |
| 50 mCi | 5 × 10-5 kCi |
| 100 mCi | 1 × 10-4 kCi |