Convert Disintegrations per minute to Microcuries

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

Disintegrations per minute (dpm)
Microcuries (µCi)

Conversion Formula

µCi = dpm × 4.504504505e-7

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 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.

Quick Reference Table

Disintegrations per minute (dpm)Microcuries (µCi)
1 dpm4.505 × 10-7 µCi
2 dpm9.009 × 10-7 µCi
5 dpm2.252 × 10-6 µCi
10 dpm4.505 × 10-6 µCi
25 dpm1.126 × 10-5 µCi
50 dpm2.252 × 10-5 µCi
100 dpm4.505 × 10-5 µCi

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