Convert Gigabecquerels per cubic metre to Disintegrations per minute per cubic metre

Convert Gigabecquerels per cubic metre (GBq/m³) to Disintegrations per minute per cubic metre (dpm/m³) instantly and accurately.

Gigabecquerels per cubic metre (GBq/m³)
Disintegrations per minute per cubic metre (dpm/m³)

Conversion Formula

dpm/m³ = GBq/m³ × 60000000000

About Gigabecquerels per cubic metre

The gigabecquerel per cubic metre (GBq/m³) equals 10⁹ Bq/m³ = 1 MBq/L. Activity concentrations in reactor primary coolant during power operation (¹⁶N, ¹⁹O short-lived activation products) and in BWR condensate demineraliser effluents reach GBq/m³; concentrated liquid radioactive waste from fuel reprocessing streams is characterised in GBq/m³. 1 GBq/m³ = 10⁹ Bq/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

Gigabecquerels per cubic metre (GBq/m³)Disintegrations per minute per cubic metre (dpm/m³)
1 GBq/m³6 × 1010 dpm/m³
2 GBq/m³1.2 × 1011 dpm/m³
5 GBq/m³3 × 1011 dpm/m³
10 GBq/m³6 × 1011 dpm/m³
25 GBq/m³1.5 × 1012 dpm/m³
50 GBq/m³3 × 1012 dpm/m³
100 GBq/m³6 × 1012 dpm/m³

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