Gray to Rad (Gy to rad) Absorbed Dose Converter
1 gray = 100 rad. A chest X-ray delivers ~0.1 mGy (0.01 rad). Cancer radiotherapy delivers 60–80 Gy.
Formula:1 Gy = 100 rad
Quick conversion table — Gray to Rad
0.5 Gy50 rad
1 Gy100 rad
2 Gy200 rad
5 Gy500 rad
10 Gy1,000 rad
20 Gy2,000 rad
50 Gy5,000 rad
100 Gy10,000 rad
500 Gy50,000 rad
1,000 Gy100,000 rad
How to convert gy to rad2
To convert gray to rad, use the formula: 1 Gy = 100 rad. Simply enter the value you want to convert in the field above and the result appears instantly. You can also type in the result field to reverse the conversion.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000). Results are accurate to 8 significant figures.