Convert Disintegrations per minute per cubic metre to Gigabecquerels per cubic metre
Convert Disintegrations per minute per cubic metre (dpm/m³) to Gigabecquerels per cubic metre (GBq/m³) instantly and accurately.
Conversion Formula
GBq/m³ = dpm/m³ × 1.666666667e-11
About Disintegrations per minute per cubic metre
The disintegration per minute per cubic metre (dpm/m³) equals exactly 1/60 Bq/m³ ≈ 16.7 mBq/m³. Used in legacy US nuclear industry and older radiochemistry literature for low-level airborne radioactivity; some historical derived air concentration (DAC) limit publications cite values in dpm/m³. 1 dpm/m³ = 1/60 Bq/m³ ≈ 16.7 mBq/m³.
About Gigabecquerels per cubic metre
The gigabecquerel per cubic metre (GBq/m³) equals 10⁹ Bq/m³ = 1 MBq/L. Activity concentrations in reactor primary coolant during power operation (¹⁶N, ¹⁹O short-lived activation products) and in BWR condensate demineraliser effluents reach GBq/m³; concentrated liquid radioactive waste from fuel reprocessing streams is characterised in GBq/m³. 1 GBq/m³ = 10⁹ Bq/m³.
Quick Reference Table
| Disintegrations per minute per cubic metre (dpm/m³) | Gigabecquerels per cubic metre (GBq/m³) |
|---|---|
| 1 dpm/m³ | 1.667 × 10-11 GBq/m³ |
| 2 dpm/m³ | 3.333 × 10-11 GBq/m³ |
| 5 dpm/m³ | 8.333 × 10-11 GBq/m³ |
| 10 dpm/m³ | 1.667 × 10-10 GBq/m³ |
| 25 dpm/m³ | 4.167 × 10-10 GBq/m³ |
| 50 dpm/m³ | 8.333 × 10-10 GBq/m³ |
| 100 dpm/m³ | 1.667 × 10-9 GBq/m³ |