Convert Nanobecquerels per cubic metre to Disintegrations per minute per cubic metre
Convert Nanobecquerels per cubic metre (nBq/m³) to Disintegrations per minute per cubic metre (dpm/m³) instantly and accurately.
Conversion Formula
dpm/m³ = nBq/m³ × 6.000000000e-8
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.
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
| Nanobecquerels per cubic metre (nBq/m³) | Disintegrations per minute per cubic metre (dpm/m³) |
|---|---|
| 1 nBq/m³ | 6 × 10-8 dpm/m³ |
| 2 nBq/m³ | 1.2 × 10-7 dpm/m³ |
| 5 nBq/m³ | 3 × 10-7 dpm/m³ |
| 10 nBq/m³ | 6 × 10-7 dpm/m³ |
| 25 nBq/m³ | 1.5 × 10-6 dpm/m³ |
| 50 nBq/m³ | 3 × 10-6 dpm/m³ |
| 100 nBq/m³ | 6 × 10-6 dpm/m³ |