Converter group

Radiology Converters

Radiation - Absorbed Dose Converter

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... Joule per gram = ... Gray

Result

... Joule per gram

... Gray

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

1 J/g = 1,000 Gy

1 Gy = 0.001 J/g

Example: 1 J/g = 1,000 Gy

One joule of energy per gram of mass.

History: Metric variant of the specific energy absorption.

Current use: Used in calorimetry and materials science.

Also written as J/g.

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.