Convert Curies per kilogram to Becquerels per kilogram
Convert Curies per kilogram (Ci/kg) to Becquerels per kilogram (Bq/kg) instantly and accurately.
Conversion Formula
Bq/kg = Ci/kg × 37000000000
About Curies per kilogram
The curie per kilogram (Ci/kg) equals 3.7 × 10¹⁰ Bq/kg = 37 GBq/kg. High specific activity sealed sources: ¹¹¹In and ¹³³Xe produced in accelerators are characterised in Ci/kg; ⁴²K formed by neutron activation in high-potassium food samples in research irradiators reaches Ci/kg values. 1 Ci/kg = 3.7 × 10¹⁰ Bq/kg.
About Becquerels per kilogram
The becquerel per kilogram (Bq/kg) is the SI derived unit of specific activity. It is the primary unit in food safety regulations worldwide: the EU, Japan, and Codex Alimentarius set ¹³⁷Cs limits in Bq/kg for foodstuffs; soil ¹³⁷Cs contamination from Chernobyl and Fukushima fallout is mapped in Bq/kg. 1 Bq/kg = 1 s⁻¹ kg⁻¹ = 1 mBq/g.
Quick Reference Table
| Curies per kilogram (Ci/kg) | Becquerels per kilogram (Bq/kg) |
|---|---|
| 1 Ci/kg | 3.7 × 1010 Bq/kg |
| 2 Ci/kg | 7.4 × 1010 Bq/kg |
| 5 Ci/kg | 1.85 × 1011 Bq/kg |
| 10 Ci/kg | 3.7 × 1011 Bq/kg |
| 25 Ci/kg | 9.25 × 1011 Bq/kg |
| 50 Ci/kg | 1.85 × 1012 Bq/kg |
| 100 Ci/kg | 3.7 × 1012 Bq/kg |