Convert Microcuries per kilogram to Kilocuries per kilogram

Convert Microcuries per kilogram (µCi/kg) to Kilocuries per kilogram (kCi/kg) instantly and accurately.

Microcuries per kilogram (µCi/kg)
Kilocuries per kilogram (kCi/kg)

Conversion Formula

kCi/kg = µCi/kg × 1.000000000e-9

About Microcuries per kilogram

The microcurie per kilogram (µCi/kg) equals 3.7 × 10⁴ Bq/kg = 37 kBq/kg. Used in US nuclear facility waste characterisation and NRC licence conditions for effluent releases; ¹³⁷Cs body burden in heavily exposed Chernobyl liquidators reached the µCi/kg level in the immediate aftermath. 1 µCi/kg = 3.7 × 10⁴ Bq/kg.

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

Microcuries per kilogram (µCi/kg)Kilocuries per kilogram (kCi/kg)
1 µCi/kg1 × 10-9 kCi/kg
2 µCi/kg2 × 10-9 kCi/kg
5 µCi/kg5 × 10-9 kCi/kg
10 µCi/kg1 × 10-8 kCi/kg
25 µCi/kg2.5 × 10-8 kCi/kg
50 µCi/kg5 × 10-8 kCi/kg
100 µCi/kg1 × 10-7 kCi/kg

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