Convert Becquerels to DPM (Bq to dpm)
1 becquerel (Bq) = 60 disintegrations per minute (dpm). 1 dpm = 0.01666666667 Bq. Example: 15 Bq = 15 × 60 = 900 dpm.
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1 Bq = 60 dpm
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk becquerel to disintegration per minute converter to paste a column from Excel.
How to Convert Becquerel to DPM
- 1 Bq = 60 dpm
- 1 dpm = 0.01666666667 Bq
- Example: convert 15 Bq to dpm: 15 Bq = 15 × 60 dpm = 900 dpm
Formula
dpm = Bq × 60
Derivation from SI units:
- 1 Bq = 1 decay per second (s⁻¹).
- 1 dpm = 1/60 Bq.
Both units are defined exactly, so the factor is exact. Becquerel definition: becquerel; DPM definition: disintegration per minute.
Worked examples
- A reading of 100 Bq converts to 6000 dpm.
100 Bq × 60 = 6000 dpm - A value of 3700 Bq is 222000 dpm.
3700 Bq × 60 = 222000 dpm
Becquerel to DPM conversion table
| Becquerels (Bq) | DPM |
|---|---|
| 1 Bq | 60 dpm |
| 10 Bq | 600 dpm |
| 37 Bq | 2220 dpm |
| 100 Bq | 6000 dpm |
| 370 Bq | 22200 dpm |
| 1000 Bq | 60000 dpm |
| 3700 Bq | 222000 dpm |
| 10000 Bq | 600000 dpm |
| 37000 Bq | 2220000 dpm |
| 1000000 Bq | 60000000 dpm |
Where it's used
Becquerels are used for food and environmental radioactivity limits, while disintegrations per minute appear in wipe tests and contamination surveys. Both measure activity of a radioactive source, so the conversion is a fixed factor.
Becquerel to other radioactivity units
| Conversion | 1 Bq equals |
|---|---|
| becquerel to disintegration per minute | 60 dpm |
| becquerel to curie | 2.702702703 × 10⁻¹¹ Ci |
| becquerel to megabecquerel | 0.000001 MBq |
| becquerel to millicurie | 2.702702703 × 10⁻⁸ mCi |
| becquerel to picocurie | 27.02702703 pCi |
| becquerel to kilobecquerel | 0.001 kBq |
| becquerel to gigabecquerel | 1 × 10⁻⁹ GBq |
| becquerel to microcurie | 0.00002702702703 µCi |
Show 3 more units
| becquerel to terabecquerel | 1 × 10⁻¹² TBq |
|---|---|
| becquerel to nanocurie | 0.02702702703 nCi |
| becquerel to rutherford | 0.000001 Rd |
Frequently asked questions
How many disintegrations per minute are in 1 becquerel?
1 Bq = 60 dpm.
How do I convert becquerels to disintegrations per minute?
Multiply the value in Bq by 60. For example, 15 Bq × 60 = 900 dpm.
Is the Bq to dpm conversion exact?
Yes. Both units are defined exactly, so the ratio is exact; its decimal form does not terminate and is shown here to 10 significant figures (more with the precision selector).
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 4 (becquerel, gray, sievert, lux) and Table 2 (candela).
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "curie".
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Becquerels to DPM (Bq to dpm). Retrieved October 25, 2026, from https://scientificconverters.com/radioactivity/becquerels-to-dpm/
IEEE
Scientific Converters, "Convert Becquerels to DPM (Bq to dpm)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/radioactivity/becquerels-to-dpm/