Convert Megabecquerels to Millicuries

Convert Megabecquerels (MBq) to Millicuries (mCi) instantly and accurately.

Megabecquerels (MBq)
Millicuries (mCi)

Conversion Formula

mCi = MBq × 0.02702702703

About Megabecquerels

The megabecquerel (MBq) equals 10⁶ Bq and is the standard clinical nuclear medicine unit outside the US. ⁹⁹mTc bone scans use 740 MBq; ¹⁸F-FDG PET scans use 370 MBq; ¹³¹I diagnostic thyroid scans use 185-370 MBq. European and Australian protocols specify all doses in MBq. 1 MBq = 10⁶ 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

Megabecquerels (MBq)Millicuries (mCi)
1 MBq0.027027 mCi
2 MBq0.0540541 mCi
5 MBq0.135135 mCi
10 MBq0.27027 mCi
25 MBq0.675676 mCi
50 MBq1.35135 mCi
100 MBq2.7027 mCi

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