Convert Gigabecquerels to DPM (GBq to dpm)
1 gigabecquerel (GBq) = 60000000000 disintegrations per minute (dpm). 1 dpm = 1.666666667 × 10⁻¹¹ GBq. Example: 15 GBq = 15 × 60000000000 = 900000000000 dpm.
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1 GBq = 60000000000 dpm
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk gigabecquerel to disintegration per minute converter to paste a column from Excel.
How to Convert Gigabecquerel to DPM
- 1 GBq = 60000000000 dpm
- 1 dpm = 1.666666667 × 10⁻¹¹ GBq
- Example: convert 15 GBq to dpm: 15 GBq = 15 × 60000000000 dpm = 900000000000 dpm
Formula
dpm = GBq × 60000000000
Derivation from SI units:
- 1 GBq = 10⁹ Bq.
- 1 dpm = 1/60 Bq.
- 1 GBq = 1000000000 Bq ÷ 0.01666666666667 Bq per dpm = 60000000000 dpm
Both units are defined exactly, so the factor is exact. Gigabecquerel definition: gigabecquerel; DPM definition: disintegration per minute.
Worked examples
- A reading of 2 GBq converts to 120000000000 dpm.
2 GBq × 60000000000 = 120000000000 dpm - A value of 20 GBq is 1200000000000 dpm.
20 GBq × 60000000000 = 1200000000000 dpm
Gigabecquerel to DPM conversion table
| Gigabecquerels (GBq) | DPM |
|---|---|
| 0.1 GBq | 6000000000 dpm |
| 0.5 GBq | 30000000000 dpm |
| 1 GBq | 60000000000 dpm |
| 2 GBq | 120000000000 dpm |
| 5 GBq | 300000000000 dpm |
| 10 GBq | 600000000000 dpm |
| 20 GBq | 1200000000000 dpm |
| 50 GBq | 3000000000000 dpm |
| 100 GBq | 6000000000000 dpm |
| 1000 GBq | 60000000000000 dpm |
Where it's used
Gigabecquerels are used for radioiodine therapy (1–7 GBq), 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.
Gigabecquerel to other radioactivity units
| Conversion | 1 GBq equals |
|---|---|
| gigabecquerel to disintegration per minute | 60000000000 dpm |
| gigabecquerel to becquerel | 1000000000 Bq |
| gigabecquerel to curie | 0.02702702703 Ci |
| gigabecquerel to megabecquerel | 1000 MBq |
| gigabecquerel to millicurie | 27.02702703 mCi |
| gigabecquerel to picocurie | 27027027030 pCi |
| gigabecquerel to kilobecquerel | 1000000 kBq |
| gigabecquerel to microcurie | 27027.02703 µCi |
Show 3 more units
| gigabecquerel to terabecquerel | 0.001 TBq |
|---|---|
| gigabecquerel to nanocurie | 27027027.03 nCi |
| gigabecquerel to rutherford | 1000 Rd |
Frequently asked questions
How many disintegrations per minute are in 1 gigabecquerel?
1 GBq = 60000000000 dpm.
How do I convert gigabecquerels to disintegrations per minute?
Multiply the value in GBq by 60000000000. For example, 15 GBq × 60000000000 = 900000000000 dpm.
Is the GBq 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 Gigabecquerels to DPM (GBq to dpm). Retrieved October 25, 2026, from https://scientificconverters.com/radioactivity/gigabecquerels-to-dpm/
IEEE
Scientific Converters, "Convert Gigabecquerels to DPM (GBq to dpm)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/radioactivity/gigabecquerels-to-dpm/