Convert Becquerels per kilogram to Curies per kilogram
Convert Becquerels per kilogram (Bq/kg) to Curies per kilogram (Ci/kg) instantly and accurately.
Conversion Formula
Ci/kg = Bq/kg × 2.702702703e-11
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.
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.
Quick Reference Table
| Becquerels per kilogram (Bq/kg) | Curies per kilogram (Ci/kg) |
|---|---|
| 1 Bq/kg | 2.703 × 10-11 Ci/kg |
| 2 Bq/kg | 5.405 × 10-11 Ci/kg |
| 5 Bq/kg | 1.351 × 10-10 Ci/kg |
| 10 Bq/kg | 2.703 × 10-10 Ci/kg |
| 25 Bq/kg | 6.757 × 10-10 Ci/kg |
| 50 Bq/kg | 1.351 × 10-9 Ci/kg |
| 100 Bq/kg | 2.703 × 10-9 Ci/kg |