Convert Becquerels per kilogram to Kilocuries per kilogram

Convert Becquerels per kilogram (Bq/kg) to Kilocuries per kilogram (kCi/kg) instantly and accurately.

Becquerels per kilogram (Bq/kg)
Kilocuries per kilogram (kCi/kg)

Conversion Formula

kCi/kg = Bq/kg × 2.702702703e-14

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 Kilocuries per kilogram

The kilocurie per kilogram (kCi/kg) equals 3.7 × 10¹³ Bq/kg = 1 Ci/g. The specific activity of carrier-free ⁶⁰Co is ~1124 Ci/g (= 1.124 kCi/kg or 4.16 × 10¹³ Bq/kg); many radionuclides produced without stable carrier have specific activities in the kCi/kg range. 1 kCi/kg = 3.7 × 10¹³ Bq/kg = 1 Ci/g.

Quick Reference Table

Becquerels per kilogram (Bq/kg)Kilocuries per kilogram (kCi/kg)
1 Bq/kg2.703 × 10-14 kCi/kg
2 Bq/kg5.405 × 10-14 kCi/kg
5 Bq/kg1.351 × 10-13 kCi/kg
10 Bq/kg2.703 × 10-13 kCi/kg
25 Bq/kg6.757 × 10-13 kCi/kg
50 Bq/kg1.351 × 10-12 kCi/kg
100 Bq/kg2.703 × 10-12 kCi/kg

→ Full Specific Activity Converter