Converter group

Radiology Converters

Radiation - Absorbed Dose Converter

Value

From

Result

... Attogray = ... Gray

Result

... Attogray

... Gray

Value

FromTo

From Unit:

To Unit:

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

1 aGy = 1e-18 Gy

1 Gy = 1,000,000,000,000,000,000 aGy

Example: 1 aGy = 1e-18 Gy

One attogray is one quintillionth of a gray (1.0E-18 grays).

History: SI prefix atto- applied to the gray.

Current use: Purely theoretical.

Also written as aGy.

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.