Convert Millicuries to Megabecquerels (mCi to MBq)
1 millicurie (mCi) = 37 megabecquerels (MBq). 1 MBq = 0.02702702703 mCi. Example: 10 mCi = 10 × 37 = 370 MBq.
Also searched as mCi to MBq, millicuries to megabecquerels and mci to mbq conversion.
1 mCi = 37 MBq
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk millicurie to megabecquerel converter to paste a column from Excel.
How to Convert Millicurie to Megabecquerel
- 1 mCi = 37 MBq
- 1 MBq = 0.02702702703 mCi
- Example: convert 10 mCi to MBq: 10 mCi = 10 × 37 MBq = 370 MBq
Formula
MBq = mCi × 37
Derivation from SI units:
- 1 mCi = 3.7 × 10⁷ Bq = 37 MBq.
- 1 MBq = 10⁶ Bq.
- 1 mCi = 37000000 Bq ÷ 1000000 Bq per MBq = 37 MBq
Both units are defined exactly, so the factor is exact. Millicurie definition: millicurie; Megabecquerel definition: megabecquerel.
Worked examples
- A 10 mCi PET dose is 370 MBq.
10 mCi × 37 = 370 MBq - 1 mCi is 37 MBq.
1 mCi × 37 = 37 MBq
Millicurie to Megabecquerel conversion table
| Millicuries (mCi) | Megabecquerels (MBq) |
|---|---|
| 1 mCi | 37 MBq |
| 5 mCi | 185 MBq |
| 10 mCi | 370 MBq |
| 15 mCi | 555 MBq |
| 20 mCi | 740 MBq |
| 25 mCi | 925 MBq |
| 30 mCi | 1110 MBq |
| 50 mCi | 1850 MBq |
| 100 mCi | 3700 MBq |
| 200 mCi | 7400 MBq |
Where it's used
Radiopharmaceutical doses written in millicuries on US prescriptions are converted to megabecquerels for SI labels and international protocols. Multiply by 37.
Millicurie to other radioactivity units
| Conversion | 1 mCi equals |
|---|---|
| millicurie to megabecquerel | 37 MBq |
| millicurie to becquerel | 37000000 Bq |
| millicurie to curie | 0.001 Ci |
| millicurie to picocurie | 1000000000 pCi |
| millicurie to kilobecquerel | 37000 kBq |
| millicurie to gigabecquerel | 0.037 GBq |
| millicurie to microcurie | 1000 µCi |
| millicurie to disintegration per minute | 2220000000 dpm |
Show 3 more units
| millicurie to terabecquerel | 0.000037 TBq |
|---|---|
| millicurie to nanocurie | 1000000 nCi |
| millicurie to rutherford | 37 Rd |
Frequently asked questions
How many MBq is 1 mCi?
Exactly 37 MBq, so a 10 mCi FDG dose is 370 MBq.
How many megabecquerels are in 1 millicurie?
1 mCi = 37 MBq.
How do I convert millicuries to megabecquerels?
Multiply the value in mCi by 37. For example, 10 mCi × 37 = 370 MBq.
Is the mCi to MBq conversion exact?
Yes. Both units are defined exactly, and 1 mCi is exactly 37 MBq.
Sources
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "curie".
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 4 (becquerel, gray, sievert, lux) and Table 2 (candela).
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Millicuries to Megabecquerels (mCi to MBq). Retrieved October 25, 2026, from https://scientificconverters.com/radioactivity/millicuries-to-megabecquerels/
IEEE
Scientific Converters, "Convert Millicuries to Megabecquerels (mCi to MBq)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/radioactivity/millicuries-to-megabecquerels/