Converter group

Radiology Converters

Radiation - Absorbed Dose Converter

Value

From

Result

... Centigray = ... Gray

Result

... Centigray

... Gray

Value

FromTo

From Unit:

To Unit:

Use this page to convert centigray values into gray, with background details, formulas, a worked example, and a quick conversion table.

1 cGy = 0.01 Gy

1 Gy = 100 cGy

Example: 1 cGy = 0.01 Gy

One centigray is 0.01 grays.

History: SI prefix centi- applied to the gray.

Current use: Commonly used in radiotherapy because it is exactly equal to one rad.

Also written as cGy.

Defined as the absorption of one joule of radiation energy per kilogram of matter.

History: Named after Louis Harold Gray, a pioneer in the field of radiobiology. Adopted by the CGPM in 1975.

Current use: The primary international unit used in radiotherapy, radiation protection, and radiobiology.

Also written as Gy, grays.