Formula
Ci to GBq conversion formula
Use this relationship for a direct conversion:
GBq = Ci x 37
Worked example
2 Ci = 74 GBq.
The curie is exactly 3.7 x 10^10 becquerels by definition.
Radioactive Activity conversion
1 curie (Ci) equals 37 gigabecquerel (GBq). Enter any value below to convert from Ci to GBq.
Enter a value and choose units. Results update instantly.
1 Ci = 37 GBq
| 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 |
Formula
Use this relationship for a direct conversion:
2 Ci = 74 GBq.
The curie is exactly 3.7 x 10^10 becquerels by definition.
Quick reference
| Curie (Ci) | Gigabecquerel (GBq) |
|---|---|
| 0.01 | 0.37 |
| 0.1 | 3.7 |
| 1 | 37 |
| 2 | 74 |
| 5 | 185 |
| 10 | 370 |
| 25 | 925 |
| 50 | 1,850 |
| 100 | 3,700 |
| 1,000 | 37,000 |
From unit
Exactly 37 billion becquerels.
Symbol: Ci
To unit
One billion becquerels.
Symbol: GBq
Keep converting
Source
Definitions are checked against BIPM SI Brochure: becquerel. Calculations use full internal precision before display rounding.
View the complete radioactive activity converterQuestions
Use the formula GBq = Ci x 37. 1 curie (Ci) equals 37 gigabecquerel (GBq).
Both unit definitions use exact factors. Only the displayed decimal may be rounded.