Convert Terabecquerels to DPM (TBq to dpm)
1 terabecquerel (TBq) = 60000000000000 disintegrations per minute (dpm). 1 dpm = 1.666666667 × 10⁻¹⁴ TBq. Example: 15 TBq = 15 × 60000000000000 = 900000000000000 dpm.
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1 TBq = 60000000000000 dpm
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk terabecquerel to disintegration per minute converter to paste a column from Excel.
How to Convert Terabecquerel to DPM
- 1 TBq = 60000000000000 dpm
- 1 dpm = 1.666666667 × 10⁻¹⁴ TBq
- Example: convert 15 TBq to dpm: 15 TBq = 15 × 60000000000000 dpm = 900000000000000 dpm
Formula
dpm = TBq × 60000000000000
Derivation from SI units:
- 1 TBq = 10¹² Bq.
- 1 dpm = 1/60 Bq.
- 1 TBq = 1000000000000 Bq ÷ 0.01666666666667 Bq per dpm = 60000000000000 dpm
Both units are defined exactly, so the factor is exact. Terabecquerel definition: terabecquerel; DPM definition: disintegration per minute.
Worked examples
- A reading of 2 TBq converts to 120000000000000 dpm.
2 TBq × 60000000000000 = 120000000000000 dpm - A value of 20 TBq is 1.2 × 10¹⁵ dpm.
20 TBq × 60000000000000 = 1.2 × 10¹⁵ dpm
Terabecquerel to DPM conversion table
| Terabecquerels (TBq) | DPM |
|---|---|
| 0.1 TBq | 6000000000000 dpm |
| 0.5 TBq | 30000000000000 dpm |
| 1 TBq | 60000000000000 dpm |
| 2 TBq | 120000000000000 dpm |
| 5 TBq | 300000000000000 dpm |
| 10 TBq | 600000000000000 dpm |
| 20 TBq | 1.2 × 10¹⁵ dpm |
| 50 TBq | 3 × 10¹⁵ dpm |
| 100 TBq | 6 × 10¹⁵ dpm |
| 1000 TBq | 6 × 10¹⁶ dpm |
Where it's used
Terabecquerels are used for cobalt-60 and iridium-192 sources, 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.
Terabecquerel to other radioactivity units
| Conversion | 1 TBq equals |
|---|---|
| terabecquerel to disintegration per minute | 60000000000000 dpm |
| terabecquerel to becquerel | 1000000000000 Bq |
| terabecquerel to curie | 27.02702703 Ci |
| terabecquerel to megabecquerel | 1000000 MBq |
| terabecquerel to millicurie | 27027.02703 mCi |
| terabecquerel to picocurie | 27027027030000 pCi |
| terabecquerel to kilobecquerel | 1000000000 kBq |
| terabecquerel to gigabecquerel | 1000 GBq |
Show 3 more units
| terabecquerel to microcurie | 27027027.03 µCi |
|---|---|
| terabecquerel to nanocurie | 27027027030 nCi |
| terabecquerel to rutherford | 1000000 Rd |
Frequently asked questions
How many disintegrations per minute are in 1 terabecquerel?
1 TBq = 60000000000000 dpm.
How do I convert terabecquerels to disintegrations per minute?
Multiply the value in TBq by 60000000000000. For example, 15 TBq × 60000000000000 = 900000000000000 dpm.
Is the TBq 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 Terabecquerels to DPM (TBq to dpm). Retrieved October 25, 2026, from https://scientificconverters.com/radioactivity/terabecquerels-to-dpm/
IEEE
Scientific Converters, "Convert Terabecquerels to DPM (TBq to dpm)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/radioactivity/terabecquerels-to-dpm/