Converter group

Radiology Converters

Radiation - Absorbed Dose Converter

Value

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Result

... Megagray = ... Gray

Result

... Megagray

... Gray

Value

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From Unit:

To Unit:

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

1 MGy = 1,000,000 Gy

1 Gy = 0.000001 MGy

Example: 1 MGy = 1,000,000 Gy

One megagray is 1,000,000 grays.

History: SI prefix mega- applied to the gray.

Current use: Used in radiation processing for industrial sterilization and materials testing.

Also written as MGy.

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.