Convert Kilocuries to Millicuries

Convert Kilocuries (kCi) to Millicuries (mCi) instantly and accurately.

Kilocuries (kCi)
Millicuries (mCi)

Conversion Formula

mCi = kCi × 1000000

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 Millicuries

The millicurie (mCi) equals 3.7 × 10⁷ Bq = 37 MBq. The primary clinical nuclear medicine unit in the US: ¹⁸F-FDG PET doses are 8-15 mCi; ⁹⁹mTc cardiac stress tests use 25-35 mCi; ¹³¹I hyperthyroidism therapy uses 5-30 mCi. US pharmacopeia and NRC regulations specify doses in mCi. 1 mCi = 3.7 × 10⁷ Bq.

Quick Reference Table

Kilocuries (kCi)Millicuries (mCi)
1 kCi1000000 mCi
2 kCi2000000 mCi
5 kCi5000000 mCi
10 kCi10000000 mCi
25 kCi25000000 mCi
50 kCi50000000 mCi
100 kCi100000000 mCi

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