How to convert milligrays to centigrays
cGy = mGy × 0.1Multiply the value in milligrays by 0.1. To go the other way, multiply by 10 (or divide by 0.1).
A milligray is smaller than a centigray: it takes 10 milligrays to make one centigray.
Worked examples
- 1 milligray1 mGy × 0.1 = 0.1 cGy
- 5 milligrays5 mGy × 0.1 = 0.5 cGy
- 10 milligrays10 mGy × 0.1 = 1 cGy
- 20 milligrays20 mGy × 0.1 = 2 cGy
- 100 milligrays100 mGy × 0.1 = 10 cGy
Milligrays to centigrays conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Milligrays (mGy) | Centigrays (cGy) |
|---|---|
| 0.1 mGy | 0.01 cGy |
| 0.25 mGy | 0.025 cGy |
| 0.5 mGy | 0.05 cGy |
| 1 mGy | 0.1 cGy |
| 2 mGy | 0.2 cGy |
| 3 mGy | 0.3 cGy |
| 4 mGy | 0.4 cGy |
| 5 mGy | 0.5 cGy |
| 6 mGy | 0.6 cGy |
| 7 mGy | 0.7 cGy |
| 8 mGy | 0.8 cGy |
| 9 mGy | 0.9 cGy |
| 10 mGy | 1 cGy |
| Milligrays (mGy) | Centigrays (cGy) |
|---|---|
| 12 mGy | 1.2 cGy |
| 15 mGy | 1.5 cGy |
| 20 mGy | 2 cGy |
| 25 mGy | 2.5 cGy |
| 30 mGy | 3 cGy |
| 40 mGy | 4 cGy |
| 50 mGy | 5 cGy |
| 75 mGy | 7.5 cGy |
| 100 mGy | 10 cGy |
| 250 mGy | 25 cGy |
| 500 mGy | 50 cGy |
| 1,000 mGy | 100 cGy |
About the units
Milligray (mGy)
A chest CT delivers on the order of a few to ten mGy. One milligray equals 0.001 grays (Gy).
Centigray (cGy)
The centigray (cGy) is a unit of absorbed radiation dose in the International System of Units (SI). One centigray equals 0.01 grays (Gy).
Frequently asked questions
How many centigrays are in one milligray?
There are 0.1 centigrays in one milligray, and this value is exact by definition.
How do I convert milligrays to centigrays?
Multiply the number of milligrays by 0.1. For example, 10 mGy × 0.1 = 1 cGy.
How many milligrays are in one centigray?
One centigray equals 10 milligrays. That is the reverse factor, 1 ÷ 0.1.
What is 10 milligrays in centigrays?
10 mGy = 1 cGy.
Is this mGy to cGy converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.