Convert Nanocuries to Millicuries
Convert Nanocuries (nCi) to Millicuries (mCi) instantly and accurately.
Conversion Formula
mCi = nCi × 1.000000000e-6
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.
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.
Quick Reference Table
| Nanocuries (nCi) | Millicuries (mCi) |
|---|---|
| 1 nCi | 1 × 10-6 mCi |
| 2 nCi | 2 × 10-6 mCi |
| 5 nCi | 5 × 10-6 mCi |
| 10 nCi | 1 × 10-5 mCi |
| 25 nCi | 2.5 × 10-5 mCi |
| 50 nCi | 5 × 10-5 mCi |
| 100 nCi | 1 × 10-4 mCi |