Convert Disintegrations per minute per cubic metre to Kilobecquerels per cubic metre

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

Disintegrations per minute per cubic metre (dpm/m³)
Kilobecquerels per cubic metre (kBq/m³)

Conversion Formula

kBq/m³ = dpm/m³ × 1.666666667e-5

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 Kilobecquerels per cubic metre

The kilobecquerel per cubic metre (kBq/m³) equals 10³ Bq/m³ = 1 Bq/L. High indoor radon in poorly ventilated uranium mines and homes above uranium ore bodies routinely exceeds 1-10 kBq/m³; EU mine remediation targets aim to reduce air radon below 1 kBq/m³. 1 kBq/m³ = 10³ Bq/m³ = 1 Bq/L.

Quick Reference Table

Disintegrations per minute per cubic metre (dpm/m³)Kilobecquerels per cubic metre (kBq/m³)
1 dpm/m³1.667 × 10-5 kBq/m³
2 dpm/m³3.333 × 10-5 kBq/m³
5 dpm/m³8.333 × 10-5 kBq/m³
10 dpm/m³0.000166667 kBq/m³
25 dpm/m³0.000416667 kBq/m³
50 dpm/m³0.000833333 kBq/m³
100 dpm/m³0.00166667 kBq/m³

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