Formula
mCi to Ci conversion formula
Use this relationship for a direct conversion:
Ci = mCi x 0.001
Worked example
2 mCi = 0.002 Ci.
The curie is exactly 3.7 x 10^10 becquerels by definition.
Radioactive Activity conversion
Convert Millicurie to Curie
1 millicurie (mCi) equals 0.001 curie (Ci). Enter any value below to convert from mCi to Ci.
Enter a value and choose units. Results update instantly.
1 mCi = 0.001 Ci
All Activity units
From 1 mCi| Unit | Value |
|---|---|
| Becquerel Bq | 37,000,000 |
| Kilobecquerel kBq | 37,000 |
| Megabecquerel MBq | 37 |
| Gigabecquerel GBq | 0.037 |
| Microcurie μCi | 1,000 |
| Millicurie mCi | 1 |
| Curie Ci | 0.001 |
| Rutherford Rd | 37 |
Recent conversions
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Quick reference
Millicurie to Curie table
| Millicurie (mCi) | Curie (Ci) |
|---|---|
| 0.01 | 0.00001 |
| 0.1 | 0.0001 |
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 1,000 | 1 |
From unit
About the millicurie
One thousandth of a curie.
Symbol: mCi
To unit
About the curie
Exactly 37 billion becquerels.
Symbol: Ci
Keep converting
Related conversions
Source
Conversion standard
Definitions are checked against BIPM SI Brochure: becquerel. Calculations use full internal precision before display rounding.
View the complete radioactive activity converterQuestions
mCi to Ci FAQ
How do you convert millicurie to curie?
Use the formula Ci = mCi x 0.001. 1 millicurie (mCi) equals 0.001 curie (Ci).
Is the mCi to Ci conversion exact?
Both unit definitions use exact factors. Only the displayed decimal may be rounded.