Convert gray to centigray

Gray

The gray is the SI unit of absorbed radiation dose, defined as the absorption of one joule of energy per kilogram of matter. Named after British physicist Louis Harold Gray.

Centigray

The centigray equals 0.01 grays and is the most common unit in clinical radiation therapy, where it replaces the rad (1 cGy = 1 rad) in modern practice.

Gray to Centigray conversion table

Gray	Centigray	Centigray	Gray
1	100	1	0.01
2	200	2	0.02
3	300	3	0.03
5	500	5	0.05
10	1000	10	0.1
20	2000	20	0.2
25	2500	25	0.25
50	5000	50	0.5
100	10000	100	1
250	25000	250	2.5
500	50000	500	5
1000	100000	1000	10

How to convert Gray to Centigray

1 Gy = 100 cGy. To convert any value, multiply it by 100. For example, 25 Gy = 2500 cGy.

Frequently asked questions

How many cGy are there in one Gy?: One Gy is equal to 100 cGy.
How do you convert Gray to Centigray?: Multiply the value in Gray by 100 to get the result in Centigray.
How much is 25 Gy in cGy?: 25 Gy is equal to 2500 cGy.
How do you convert Centigray back to Gray?: Divide by the same factor: multiply the value in Centigray by 0.01 to get Gray.