Convert milligray to gray
1 mGy = 0.001 Gy — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
0.001Gy
As a fraction: 1/1000
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1 mGy = 0.001 Gy
Show this value in all 8 absorbed dose units
- Kilogray kGy 0.000 001
- Gray Gy 0.001
- Milligray mGy 1
- Microgray µGy 1000
- Rads rad 0.1
- Millirads mrad 100
- Joule per kilograms J/kg 0.001
- Erg per grams erg/g 10
Every row is Milligray (mGy) converted through the gray, in exact rational arithmetic.
How to convert milligray to gray
Multiply the number of milligray by 0.001 to get gray.
The exact factor is 0.001 — as a fraction, 1/1000.
Milligray to Gray conversion table
| Milligray (mGy) | Gray (Gy) |
|---|---|
| 1 mGy | 0.001 |
| 2 mGy | 0.002 |
| 3 mGy | 0.003 |
| 5 mGy | 0.005 |
| 10 mGy | 0.01 |
| 20 mGy | 0.02 |
| 25 mGy | 0.025 |
| 50 mGy | 0.05 |
| 100 mGy | 0.1 |
| 250 mGy | 0.25 |
| 500 mGy | 0.5 |
| 1000 mGy | 1 |
Gray to Milligray conversion table
| Gray (Gy) | Milligray (mGy) |
|---|---|
| 1 Gy | 1000 |
| 2 Gy | 2000 |
| 3 Gy | 3000 |
| 5 Gy | 5000 |
| 10 Gy | 10 000 |
| 20 Gy | 20 000 |
| 25 Gy | 25 000 |
| 50 Gy | 50 000 |
| 100 Gy | 100 000 |
| 250 Gy | 250 000 |
| 500 Gy | 500 000 |
| 1000 Gy | 1 000 000 |
Frequently asked
How many gray are in a milligray?
One milligray equals 0.001 gray (mGy → Gy). That figure is exact, not rounded.
How do you convert milligray to gray?
Multiply the number of milligray by 0.001 to get gray.
What is 1 Gy in milligray?
One gray is 1000 milligray.
What is 10 mGy in Gy?
10 mGy = 0.01 Gy.