Convert Millicuries per cubic metre to Disintegrations per minute per cubic metre
Convert Millicuries per cubic metre (mCi/m³) to Disintegrations per minute per cubic metre (dpm/m³) instantly and accurately.
Conversion Formula
dpm/m³ = mCi/m³ × 2220000000
About Millicuries per cubic metre
The millicurie per cubic metre (mCi/m³) equals 3.7 × 10⁷ Bq/m³. Encountered in nuclear facility primary coolant air monitors during maintenance and in hot cell exhaust ventilation; NRC DAC values for highly radiotoxic alpha emitters (²³⁹Pu, ²⁴¹Am) use µCi/mL = mCi/L units that translate to mCi/m³ at room scale. 1 mCi/m³ = 3.7 × 10⁷ 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
| Millicuries per cubic metre (mCi/m³) | Disintegrations per minute per cubic metre (dpm/m³) |
|---|---|
| 1 mCi/m³ | 2.22 × 109 dpm/m³ |
| 2 mCi/m³ | 4.44 × 109 dpm/m³ |
| 5 mCi/m³ | 1.11 × 1010 dpm/m³ |
| 10 mCi/m³ | 2.22 × 1010 dpm/m³ |
| 25 mCi/m³ | 5.55 × 1010 dpm/m³ |
| 50 mCi/m³ | 1.11 × 1011 dpm/m³ |
| 100 mCi/m³ | 2.22 × 1011 dpm/m³ |