Convert Disintegrations per minute per cubic metre to Nanobecquerels per cubic metre
Convert Disintegrations per minute per cubic metre (dpm/m³) to Nanobecquerels per cubic metre (nBq/m³) instantly and accurately.
Conversion Formula
nBq/m³ = dpm/m³ × 16666666.67
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 Nanobecquerels per cubic metre
The nanobecquerel per cubic metre (nBq/m³) equals 10⁻⁹ Bq/m³. Background ¹³⁷Cs in Northern Hemisphere air averages 10-100 nBq/m³ from post-Chernobyl and Fukushima residual deposition; ⁹⁰Sr near nuclear power plants is routinely monitored at nBq/m³ levels in air samples. 1 nBq/m³ = 10⁻⁹ Bq/m³ = 10⁻³ µBq/m³.
Quick Reference Table
| Disintegrations per minute per cubic metre (dpm/m³) | Nanobecquerels per cubic metre (nBq/m³) |
|---|---|
| 1 dpm/m³ | 16666700 nBq/m³ |
| 2 dpm/m³ | 33333300 nBq/m³ |
| 5 dpm/m³ | 83333300 nBq/m³ |
| 10 dpm/m³ | 166667000 nBq/m³ |
| 25 dpm/m³ | 416667000 nBq/m³ |
| 50 dpm/m³ | 833333000 nBq/m³ |
| 100 dpm/m³ | 1.667 × 109 nBq/m³ |