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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
⇄ Switch to Rad To Gray
Gray
Gy
Rad
rad
Gray to Rad — common values
1 Gy100 rad
5 Gy500 rad
10 Gy1,000 rad
25 Gy2,500 rad
50 Gy5,000 rad
100 Gy10,000 rad
500 Gy50,000 rad
1,000 Gy100,000 rad

How to convert Gray To Rad

To convert gray to rad, use the formula: 1 Gy = 100 rad. Enter any value in the input field above and the result appears instantly. Click the ⇄ button or use the “Switch to Rad To Gray” link to reverse the conversion.

All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000) and are accurate to 8 significant figures.

Frequently Asked Questions

What is the formula to convert Gray To Rad?
1 Gy = 100 rad. 1 gray = 100 rad. A chest X-ray delivers ~0.1 mGy (0.01 rad). Cancer radiotherapy delivers 60–80 Gy.
Is this converter free?
Yes — completely free, no registration required. Works instantly in your browser.
How do I convert Rad To Gray?
Use the Rad To Gray converter or click the ⇄ switch button above.
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