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Radiology Converters

Radiation - Absorbed Dose Converter

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... 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.

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 cGy0.1 mGy
0.1 cGy1 mGy
1 cGy10 mGy
2 cGy20 mGy
5 cGy50 mGy
10 cGy100 mGy
20 cGy200 mGy
50 cGy500 mGy
100 cGy1,000 mGy