Convert Disintegrations per minute per cubic metre to Femtobecquerels per cubic metre
Convert Disintegrations per minute per cubic metre (dpm/m³) to Femtobecquerels per cubic metre (fBq/m³) instantly and accurately.
Conversion Formula
fBq/m³ = dpm/m³ × 16666666670000
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 Femtobecquerels per cubic metre
The femtobecquerel per cubic metre (fBq/m³) equals 10⁻¹⁵ Bq/m³. Used in ultra-sensitive environmental monitoring - noble gas activities of cosmogenic nuclides (³⁶Cl, ¹⁰Be) in deep Antarctic ice cores; air purity screening for underground rare-event physics experiments (dark matter searches, neutrinoless double-beta decay) reaches fBq/m³ sensitivities. 1 fBq/m³ = 10⁻¹⁵ Bq/m³.
Quick Reference Table
| Disintegrations per minute per cubic metre (dpm/m³) | Femtobecquerels per cubic metre (fBq/m³) |
|---|---|
| 1 dpm/m³ | 1.667 × 1013 fBq/m³ |
| 2 dpm/m³ | 3.333 × 1013 fBq/m³ |
| 5 dpm/m³ | 8.333 × 1013 fBq/m³ |
| 10 dpm/m³ | 1.667 × 1014 fBq/m³ |
| 25 dpm/m³ | 4.167 × 1014 fBq/m³ |
| 50 dpm/m³ | 8.333 × 1014 fBq/m³ |
| 100 dpm/m³ | 1.667 × 1015 fBq/m³ |