Converter group
Radiology Converters
Radiation - Absorbed Dose Converter
Result
... Centigray = ... Milligray
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Centigray to Milligray Converter
Use this page to convert centigray values into milligray, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 cGy = 10 mGy
1 mGy = 0.1 cGy
Example: 1 cGy = 10 mGy
Centigray
One centigray is 0.01 grays.
History: SI prefix centi- applied to the gray.
Current use: Commonly used in radiotherapy because it is exactly equal to one rad.
Also written as cGy.
Milligray
One milligray is equal to 0.001 grays.
History: Standard SI prefix applied to the gray.
Current use: Commonly used in diagnostic radiology to express patient doses (e.g., CT scans).
Also written as mGy, milligrays.
Centigray to Milligray table
| Centigray [cGy] | Milligray [mGy] |
|---|---|
| 0.01 cGy | 0.1 mGy |
| 0.1 cGy | 1 mGy |
| 1 cGy | 10 mGy |
| 2 cGy | 20 mGy |
| 5 cGy | 50 mGy |
| 10 cGy | 100 mGy |
| 20 cGy | 200 mGy |
| 50 cGy | 500 mGy |
| 100 cGy | 1,000 mGy |
