Convert Millicuries to Nanocuries
Convert Millicuries (mCi) to Nanocuries (nCi) instantly and accurately.
Conversion Formula
nCi = mCi × 1000000
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 Nanocuries
The nanocurie (nCi) equals 37 Bq. Sealed radioactive sources in laboratory instruments (electron-capture detectors in GC, ionisation chambers) are licensed in nCi; nCi is the working unit on US NRC licence forms and instrument calibration certificates for low-level sources. 1 nCi = 37 Bq = 3.7 × 10⁻⁸ Ci.
Quick Reference Table
| Millicuries (mCi) | Nanocuries (nCi) |
|---|---|
| 1 mCi | 1000000 nCi |
| 2 mCi | 2000000 nCi |
| 5 mCi | 5000000 nCi |
| 10 mCi | 10000000 nCi |
| 25 mCi | 25000000 nCi |
| 50 mCi | 50000000 nCi |
| 100 mCi | 100000000 nCi |