Convert Millicuries to Microcuries
Convert Millicuries (mCi) to Microcuries (µCi) instantly and accurately.
Conversion Formula
µCi = mCi × 1000
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 Microcuries
The microcurie (µCi) equals 3.7 × 10⁴ Bq = 37 kBq. Sealed sources for educational and bench-top laboratory use are licensed up to 1-10 µCi under US NRC 10 CFR 30.18; small-animal PET imaging doses of ¹⁸F in preclinical research are expressed in µCi. 1 µCi = 3.7 × 10⁴ Bq.
Quick Reference Table
| Millicuries (mCi) | Microcuries (µCi) |
|---|---|
| 1 mCi | 1000 µCi |
| 2 mCi | 2000 µCi |
| 5 mCi | 5000 µCi |
| 10 mCi | 10000 µCi |
| 25 mCi | 25000 µCi |
| 50 mCi | 50000 µCi |
| 100 mCi | 100000 µCi |