Convert gray to rads
1 Gy = 100 rad — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
100rad
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1 Gy = 100 rad
Show this value in all 8 absorbed dose units
- Kilogray kGy 0.001
- Gray Gy 1
- Milligray mGy 1000
- Microgray µGy 1 000 000
- Rads rad 100
- Millirads mrad 100 000
- Joule per kilograms J/kg 1
- Erg per grams erg/g 10 000
Every row is Gray (Gy) converted through the gray, in exact rational arithmetic.
How to convert gray to rads
Multiply the number of gray by 100 to get rads.
The exact factor is 100 .
Rad: The older CGS dose unit: 100 rad = 1 Gy.
Gray to Rad conversion table
| Gray (Gy) | Rads (rad) |
|---|---|
| 1 Gy | 100 |
| 2 Gy | 200 |
| 3 Gy | 300 |
| 5 Gy | 500 |
| 10 Gy | 1000 |
| 20 Gy | 2000 |
| 25 Gy | 2500 |
| 50 Gy | 5000 |
| 100 Gy | 10 000 |
| 250 Gy | 25 000 |
| 500 Gy | 50 000 |
| 1000 Gy | 100 000 |
Rad to Gray conversion table
| Rads (rad) | Gray (Gy) |
|---|---|
| 1 rad | 0.01 |
| 2 rad | 0.02 |
| 3 rad | 0.03 |
| 5 rad | 0.05 |
| 10 rad | 0.1 |
| 20 rad | 0.2 |
| 25 rad | 0.25 |
| 50 rad | 0.5 |
| 100 rad | 1 |
| 250 rad | 2.5 |
| 500 rad | 5 |
| 1000 rad | 10 |
Frequently asked
How many rads are in a gray?
One gray equals 100 rads (Gy → rad). That figure is exact, not rounded.
How do you convert gray to rads?
Multiply the number of gray by 100 to get rads.
What is 1 rad in gray?
One rad is 0.01 gray.
What is 10 Gy in rad?
10 Gy = 1000 rad.
What exactly is a rad?
The older CGS dose unit: 100 rad = 1 Gy.