Convert Milligray to Centigray
Use this free converter to change milligray (mGy) into centigray (cGy). Milligray and centigray both measure radiation (absorbed dose). As a quick reference, 1 mGy equals 0.1 cGy, and 1 cGy equals 10 mGy.
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Centigray (cGy)
0.1
1 mGy = 0.1 cGy
Radiation (Absorbed Dose) conversion table
| Milligray | Centigray |
|---|---|
| 0.01 | 0.001 |
| 0.1 | 0.01 |
| 0.5 | 0.05 |
| 1 | 0.1 |
| 2 | 0.2 |
| 3 | 0.3 |
| 5 | 0.5 |
| 10 | 1 |
| 20 | 2 |
| 25 | 2.5 |
| 50 | 5 |
| 100 | 10 |
| 1,000 | 100 |
How to convert Milligray to Centigray
Multiply the milligray value by 0.1 to get centigray.
- Enter the number of milligray you want to convert.
- The converter instantly shows the equivalent value in centigray.
- Worked example: 15 mGy × 0.1 = 1.5 cGy.
- Use the swap button to reverse the conversion (centigray to milligray).
About these units
Milligray (mGy)
- Definition
- A milligray (mGy) is one thousandth of a gray.
- History
- A metric sub-multiple of the gray used for lower diagnostic doses.
- Current use
- CT scans typically deliver organ doses of 10–30 mGy; milligray is standard in diagnostic radiology.
Centigray (cGy)
- Definition
- A centigray (cGy) is one hundredth of a gray, numerically equal to one rad.
- History
- It was introduced to provide continuity with the older rad unit.
- Current use
- Radiation oncologists commonly prescribe doses in cGy because it matches the familiar rad scale.
Frequently asked questions
How many centigray are in a milligray?
There are 0.1 cGy in 1 mGy. To convert, multiply the number of milligray by 0.1.
How do I convert milligray to centigray?
Multiply the milligray value by 0.1 to get centigray. For example, 10 mGy = 1 cGy.
Is this milligray-to-centigray converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Milligray to other radiation (absorbed dose) units
| Unit | 1 Milligray equals |
|---|---|
| Gray (Gy) | 0.001 Gy |
| Centigray (cGy) | 0.1 cGy |
| Microgray (µGy) | 1000 µGy |
| Rad (rad) | 0.1 rad |