Gray to Rad (Gy to rad) Absorbed Dose Converter
How to convert Gray To Rad
1 Gy = 100 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 to reverse the conversion direction.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000), accurate to 8 significant figures.
Frequently Asked Questions
How many Rads are in one Gray?
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.
What is the formula to convert Gray to Rad?
1 Gy = 100 rad. Multiply the Gray value by the conversion factor to get Rad.
How do I convert Rad To Gray?
Use the Rad To Gray converter — formula: 1 Gy = 100 rad. Click the ⇄ switch button above for the reverse conversion.
Is this Gray to Rad converter free?
Yes — completely free, no registration required. Works instantly in your browser using precise mathematical constants validated against SI standards.