Convert Megacuries to Disintegrations per minute
Convert Megacuries (MCi) to Disintegrations per minute (dpm) instantly and accurately.
Conversion Formula
dpm = MCi × 2.220000000e+18
About Megacuries
The megacurie (MCi) equals 3.7 × 10¹⁶ Bq. Total radioactive inventory of a large nuclear power reactor core at shutdown is ~2000-10000 MCi; US atmospheric nuclear weapons tests released ~12000 MCi of ¹³¹I globally; high-level nuclear waste repositories are characterised in MCi. 1 MCi = 3.7 × 10¹⁶ 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
| Megacuries (MCi) | Disintegrations per minute (dpm) |
|---|---|
| 1 MCi | 2.22 × 1018 dpm |
| 2 MCi | 4.44 × 1018 dpm |
| 5 MCi | 1.11 × 1019 dpm |
| 10 MCi | 2.22 × 1019 dpm |
| 25 MCi | 5.55 × 1019 dpm |
| 50 MCi | 1.11 × 1020 dpm |
| 100 MCi | 2.22 × 1020 dpm |