Convert Nanocuries per cubic metre to Disintegrations per minute per litre
Convert Nanocuries per cubic metre (nCi/m³) to Disintegrations per minute per litre (dpm/L) instantly and accurately.
Conversion Formula
dpm/L = nCi/m³ × 2.22
About Nanocuries per cubic metre
The nanocurie per cubic metre (nCi/m³) equals 37 Bq/m³, identical to 1 picocurie per litre (pCi/L). The US EPA indoor radon action level is 4 pCi/L = 148 Bq/m³ ≈ 4 nCi/m³; NRC 10 CFR Part 20 DAC values for several radionuclides are expressed in the nCi/m³ range. 1 nCi/m³ = 37 Bq/m³ = 1 pCi/L.
About Disintegrations per minute per litre
The disintegration per minute per litre (dpm/L) equals exactly 1000/60 Bq/m³ ≈ 16.67 Bq/m³. Used in environmental water and air monitoring with liquid scintillation counting (LSC); ³H activity in river water near nuclear power plant discharges and in groundwater compliance monitoring is commonly reported in dpm/L. 1 dpm/L = 1000/60 Bq/m³ ≈ 16.67 Bq/m³.
Quick Reference Table
| Nanocuries per cubic metre (nCi/m³) | Disintegrations per minute per litre (dpm/L) |
|---|---|
| 1 nCi/m³ | 2.22 dpm/L |
| 2 nCi/m³ | 4.44 dpm/L |
| 5 nCi/m³ | 11.1 dpm/L |
| 10 nCi/m³ | 22.2 dpm/L |
| 25 nCi/m³ | 55.5 dpm/L |
| 50 nCi/m³ | 111 dpm/L |
| 100 nCi/m³ | 222 dpm/L |