Convert Microcuries to Disintegrations per minute

Convert Microcuries (µCi) to Disintegrations per minute (dpm) instantly and accurately.

Microcuries (µCi)
Disintegrations per minute (dpm)

Conversion Formula

dpm = µCi × 2220000

About Microcuries

The microcurie (µCi) equals 3.7 × 10⁴ Bq = 37 kBq. Sealed sources for educational and bench-top laboratory use are licensed up to 1-10 µCi under US NRC 10 CFR 30.18; small-animal PET imaging doses of ¹⁸F in preclinical research are expressed in µCi. 1 µCi = 3.7 × 10⁴ 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

Microcuries (µCi)Disintegrations per minute (dpm)
1 µCi2220000 dpm
2 µCi4440000 dpm
5 µCi11100000 dpm
10 µCi22200000 dpm
25 µCi55500000 dpm
50 µCi111000000 dpm
100 µCi222000000 dpm

→ Full Radioactive Activity Converter