Converter group

Radiology Converters

Radiation - Absorbed Dose Converter

Value

From

Result

... Hectogray = ... Gray

Result

... Hectogray

... Gray

Value

FromTo

From Unit:

To Unit:

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

1 hGy = 100 Gy

1 Gy = 0.01 hGy

Example: 1 hGy = 100 Gy

One hectogray is 100 grays.

History: SI prefix hecto- applied to the gray.

Current use: Rarely used metric variant.

Also written as hGy.

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.