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
1 mGy = 0.001 Gy
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.