Rad to Gray (rad to Gy) Converter
How to convert Rad To Gray
1 Gy = 100 rad.
To convert rad to gray, 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 Grays are in one Rad?
1 Gy = 100 rad. 1 gray = 100 rad. The gray replaced the rad as the SI unit of absorbed dose.
What is the formula to convert Rad to Gray?
1 Gy = 100 rad. Multiply the Rad value by the conversion factor to get Gray.
How do I convert Gray To Rad?
Use the Gray To Rad converter — formula: 1 Gy = 100 rad. Click the ⇄ switch button above for the reverse conversion.
Is this Rad to Gray converter free?
Yes — completely free, no registration required. Works instantly in your browser using precise mathematical constants validated against SI standards.