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Gray (Gy) to Rad
Convert measurements between Gray (Gy) and Rad.
Common conversions
1Gy = 100 rad
5Gy = 500 rad
10Gy = 1000 rad
24Gy = 2400 rad
32Gy = 3200 rad
55Gy = 5500 rad
Conversion information
1 Gray (Gy) = 100 Rad
Gray is the SI unit of absorbed dose, one joule per kilogram
The rad is a traditional unit, 1 rad = 0.01 Gy
Frequently Asked Questions
What is a gray (Gy)?
It is the SI unit for measuring absorbed dose of ionizing radiation.
How many rads are in a gray?
1 gray equals 100 rads.
Where is the gray used?
It is mainly used in radiotherapy, radiation protection, and medical physics.
Is the rad still used?
It is still used in some countries and literature, though the gray is the current standard.
How much is 1 rad in Gy?
1 rad equals 0.01 Gy.