Converter group

Radiology Converters

Radiation - Absorbed Dose Converter

Value

From

Result

... Gigagray = ... Gray

Result

... Gigagray

... Gray

Value

FromTo

From Unit:

To Unit:

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

1 GGy = 1,000,000,000 Gy

1 Gy = 0.000000001 GGy

Example: 1 GGy = 1,000,000,000 Gy

One gigagray is 1,000,000,000 grays.

History: SI prefix giga- applied to the gray.

Current use: Rarely used outside of highly specialized nuclear research.

Also written as GGy.

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.