Formula
Ci to μCi conversion formula
Use this relationship for a direct conversion:
μCi = Ci x 1,000,000
Worked example
2 Ci = 2,000,000 μCi.
The curie is exactly 3.7 x 10^10 becquerels by definition.
Radioactive Activity conversion
Convert Curie to Microcurie
1 curie (Ci) equals 1,000,000 microcurie (μCi). Enter any value below to convert from Ci to μCi.
Enter a value and choose units. Results update instantly.
1 Ci = 1,000,000 μCi
All Activity units
From 1 Ci| Unit | Value |
|---|---|
| Becquerel Bq | 37,000,000,000 |
| Kilobecquerel kBq | 37,000,000 |
| Megabecquerel MBq | 37,000 |
| Gigabecquerel GBq | 37 |
| Microcurie μCi | 1,000,000 |
| Millicurie mCi | 1,000 |
| Curie Ci | 1 |
| Rutherford Rd | 37,000 |
Recent conversions
- Your recent conversions stay on this device.
Quick reference
Curie to Microcurie table
| Curie (Ci) | Microcurie (μCi) |
|---|---|
| 0.01 | 10,000 |
| 0.1 | 100,000 |
| 1 | 1,000,000 |
| 2 | 2,000,000 |
| 5 | 5,000,000 |
| 10 | 10,000,000 |
| 25 | 25,000,000 |
| 50 | 50,000,000 |
| 100 | 100,000,000 |
| 1,000 | 1,000,000,000 |
From unit
About the curie
Exactly 37 billion becquerels.
Symbol: Ci
To unit
About the microcurie
One millionth of a curie.
Symbol: μCi
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
Ci to μCi FAQ
How do you convert curie to microcurie?
Use the formula μCi = Ci x 1,000,000. 1 curie (Ci) equals 1,000,000 microcurie (μCi).
Is the Ci to μCi conversion exact?
Both unit definitions use exact factors. Only the displayed decimal may be rounded.