Convert Picocuries per cubic metre to Disintegrations per minute per cubic metre
Convert Picocuries per cubic metre (pCi/m³) to Disintegrations per minute per cubic metre (dpm/m³) instantly and accurately.
Conversion Formula
dpm/m³ = pCi/m³ × 2.22
About Picocuries per cubic metre
The picocurie per cubic metre (pCi/m³) equals 3.7 × 10⁻² Bq/m³ = 37 mBq/m³. Used by the US EPA and NRC for outdoor air radioactivity; airborne ⁹⁰Sr and ¹³⁷Cs near nuclear facilities are reported in pCi/m³; NRC occupational derived air concentration (DAC) tables list values in pCi/m³. 1 pCi/m³ = 3.7 × 10⁻² Bq/m³.
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.
Quick Reference Table
| Picocuries per cubic metre (pCi/m³) | Disintegrations per minute per cubic metre (dpm/m³) |
|---|---|
| 1 pCi/m³ | 2.22 dpm/m³ |
| 2 pCi/m³ | 4.44 dpm/m³ |
| 5 pCi/m³ | 11.1 dpm/m³ |
| 10 pCi/m³ | 22.2 dpm/m³ |
| 25 pCi/m³ | 55.5 dpm/m³ |
| 50 pCi/m³ | 111 dpm/m³ |
| 100 pCi/m³ | 222 dpm/m³ |