Convert Kilocuries to Microcuries

Convert Kilocuries (kCi) to Microcuries (µCi) instantly and accurately.

Kilocuries (kCi)
Microcuries (µCi)

Conversion Formula

µCi = kCi × 1000000000

About Kilocuries

The kilocurie (kCi) equals 3.7 × 10¹³ Bq. ⁶⁰Co and ¹³⁷Cs blood irradiation and food sterilisation facilities use 20-200 kCi sources; research reactor fission product inventories are characterised in kCi; ⁹⁰Sr/⁹⁰Y radioisotope thermoelectric generators (RTGs) contain 10-150 kCi. 1 kCi = 3.7 × 10¹³ Bq.

About Microcuries

The microcurie (µCi) equals 3.7 × 10⁴ Bq = 37 kBq. Sealed sources for educational and bench-top laboratory use are licensed up to 1-10 µCi under US NRC 10 CFR 30.18; small-animal PET imaging doses of ¹⁸F in preclinical research are expressed in µCi. 1 µCi = 3.7 × 10⁴ Bq.

Quick Reference Table

Kilocuries (kCi)Microcuries (µCi)
1 kCi1000000000 µCi
2 kCi2 × 109 µCi
5 kCi5 × 109 µCi
10 kCi1 × 1010 µCi
25 kCi2.5 × 1010 µCi
50 kCi5 × 1010 µCi
100 kCi1 × 1011 µCi

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