Rad to Gray (rad to Gy) Converter
1 gray = 100 rad. The gray replaced the rad as the SI unit of absorbed dose.
Formula:1 Gy = 100 rad
⇄ Switch to Gray To RadRad to Gray — common values
1 rad0.01 Gy
5 rad0.05 Gy
10 rad0.1 Gy
25 rad0.25 Gy
50 rad0.5 Gy
100 rad1 Gy
500 rad5 Gy
1,000 rad10 Gy
How to convert Rad To Gray
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 or use the “Switch to Gray To Rad” 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 Rad To Gray?
1 Gy = 100 rad. 1 gray = 100 rad. The gray replaced the rad as the SI unit of absorbed dose.
Is this converter free?
Yes — completely free, no registration required. Works instantly in your browser.
How do I convert Gray To Rad?
Use the Gray To Rad converter or click the ⇄ switch button above.
More Radiation Absorbed Dose conversions
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