Convert Millicuries to Disintegrations per minute
Convert Millicuries (mCi) to Disintegrations per minute (dpm) instantly and accurately.
Conversion Formula
dpm = mCi × 2220000000
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 Disintegrations per minute
The disintegration per minute (dpm) equals exactly 1/60 Bq ≈ 16.7 mBq. Standard output unit of liquid scintillation counters (LSC) in biochemical and biomedical research for ³H and ¹⁴C tracer assays; radioimmunoassay protocols report results in dpm/well. 1 dpm = 1/60 Bq = 60 dph.
Quick Reference Table
| Millicuries (mCi) | Disintegrations per minute (dpm) |
|---|---|
| 1 mCi | 2.22 × 109 dpm |
| 2 mCi | 4.44 × 109 dpm |
| 5 mCi | 1.11 × 1010 dpm |
| 10 mCi | 2.22 × 1010 dpm |
| 25 mCi | 5.55 × 1010 dpm |
| 50 mCi | 1.11 × 1011 dpm |
| 100 mCi | 2.22 × 1011 dpm |