Convert Disintegrations per minute to Millicuries
Convert Disintegrations per minute (dpm) to Millicuries (mCi) instantly and accurately.
Conversion Formula
mCi = dpm × 4.504504505e-10
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.
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
| Disintegrations per minute (dpm) | Millicuries (mCi) |
|---|---|
| 1 dpm | 4.505 × 10-10 mCi |
| 2 dpm | 9.009 × 10-10 mCi |
| 5 dpm | 2.252 × 10-9 mCi |
| 10 dpm | 4.505 × 10-9 mCi |
| 25 dpm | 1.126 × 10-8 mCi |
| 50 dpm | 2.252 × 10-8 mCi |
| 100 dpm | 4.505 × 10-8 mCi |