Converter group

Radiology Converters

Radiation - Absorbed Dose Converter

Value

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... Joule per milligram = ... Gray

Result

... Joule per milligram

... Gray

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

1 J/mg = 1,000,000 Gy

1 Gy = 0.000001 J/mg

Example: 1 J/mg = 1,000,000 Gy

One joule of energy per milligram of mass.

History: Metric variant.

Current use: Rarely used.

Also written as J/mg.

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.