How to convert rads to milligrays
mGy = rad × 10Multiply the value in rads by 10. To go the other way, multiply by 0.1 (or divide by 10).
A rad is larger than a milligray: one rad contains 10 milligrays.
Worked examples
- 1 rad1 rad × 10 = 10 mGy
- 5 rads5 rad × 10 = 50 mGy
- 10 rads10 rad × 10 = 100 mGy
- 20 rads20 rad × 10 = 200 mGy
- 100 rads100 rad × 10 = 1,000 mGy
Rads to milligrays conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Rads (rad) | Milligrays (mGy) |
|---|---|
| 0.1 rad | 1 mGy |
| 0.25 rad | 2.5 mGy |
| 0.5 rad | 5 mGy |
| 1 rad | 10 mGy |
| 2 rad | 20 mGy |
| 3 rad | 30 mGy |
| 4 rad | 40 mGy |
| 5 rad | 50 mGy |
| 6 rad | 60 mGy |
| 7 rad | 70 mGy |
| 8 rad | 80 mGy |
| 9 rad | 90 mGy |
| 10 rad | 100 mGy |
| Rads (rad) | Milligrays (mGy) |
|---|---|
| 12 rad | 120 mGy |
| 15 rad | 150 mGy |
| 20 rad | 200 mGy |
| 25 rad | 250 mGy |
| 30 rad | 300 mGy |
| 40 rad | 400 mGy |
| 50 rad | 500 mGy |
| 75 rad | 750 mGy |
| 100 rad | 1,000 mGy |
| 250 rad | 2,500 mGy |
| 500 rad | 5,000 mGy |
| 1,000 rad | 10,000 mGy |
About the units
Rad (rad)
100 erg/g, exactly 0.01 Gy.
Milligray (mGy)
A chest CT delivers on the order of a few to ten mGy. One milligray equals 0.001 grays (Gy).
Frequently asked questions
How many milligrays are in one rad?
There are 10 milligrays in one rad, and this value is exact by definition.
How do I convert rads to milligrays?
Multiply the number of rads by 10. For example, 10 rad × 10 = 100 mGy.
How many rads are in one milligray?
One milligray equals 0.1 rads. That is the reverse factor, 1 ÷ 10.
What is 10 rads in milligrays?
10 rad = 100 mGy.
Is this rad to mGy 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.