Convert Disintegrations per minute per cubic metre to Picocuries per cubic metre
Convert Disintegrations per minute per cubic metre (dpm/m³) to Picocuries per cubic metre (pCi/m³) instantly and accurately.
Conversion Formula
pCi/m³ = dpm/m³ × 0.4504504505
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 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.
Quick Reference Table
| Disintegrations per minute per cubic metre (dpm/m³) | Picocuries per cubic metre (pCi/m³) |
|---|---|
| 1 dpm/m³ | 0.45045 pCi/m³ |
| 2 dpm/m³ | 0.900901 pCi/m³ |
| 5 dpm/m³ | 2.25225 pCi/m³ |
| 10 dpm/m³ | 4.5045 pCi/m³ |
| 25 dpm/m³ | 11.2613 pCi/m³ |
| 50 dpm/m³ | 22.5225 pCi/m³ |
| 100 dpm/m³ | 45.045 pCi/m³ |