Convert Disintegrations per minute per millilitre to Microcuries per cubic metre
Convert Disintegrations per minute per millilitre (dpm/mL) to Microcuries per cubic metre (µCi/m³) instantly and accurately.
Conversion Formula
µCi/m³ = dpm/mL × 0.4504504505
About Disintegrations per minute per millilitre
The disintegration per minute per millilitre (dpm/mL) equals exactly 10⁶/60 Bq/m³ ≈ 16 667 Bq/m³. Standard output unit of liquid scintillation counters (LSC) in biochemistry for ³H and ¹⁴C radiotracer assays; radioactivity in cell culture media, pharmacokinetic samples, and environmental water is routinely expressed in dpm/mL. 1 dpm/mL = 10⁶/60 Bq/m³.
About Microcuries per cubic metre
The microcurie per cubic metre (µCi/m³) equals 3.7 × 10⁴ Bq/m³ = 37 kBq/m³. Used in US occupational radiation protection; NRC 10 CFR Part 20 DAC values for moderately radiotoxic nuclides are in the µCi/m³ range; air activity inside nuclear plant buildings after small sealed source incidents is assessed in µCi/m³. 1 µCi/m³ = 3.7 × 10⁴ Bq/m³.
Quick Reference Table
| Disintegrations per minute per millilitre (dpm/mL) | Microcuries per cubic metre (µCi/m³) |
|---|---|
| 1 dpm/mL | 0.45045 µCi/m³ |
| 2 dpm/mL | 0.900901 µCi/m³ |
| 5 dpm/mL | 2.25225 µCi/m³ |
| 10 dpm/mL | 4.5045 µCi/m³ |
| 25 dpm/mL | 11.2613 µCi/m³ |
| 50 dpm/mL | 22.5225 µCi/m³ |
| 100 dpm/mL | 45.045 µCi/m³ |