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Radiology Converters

Radiation - Absorbed Dose Converter

Result

... Exagray = ... Milligray

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Exagray to Milligray Converter

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

Conversion formula

1 EGy = 1,000,000,000,000,000,000,000 mGy

1 mGy = 1e-21 EGy

Example: 1 EGy = 1,000,000,000,000,000,000,000 mGy

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Gray to MilligrayGray to MicrograyGray to RadGray to MilliradMilligray to GrayMilligray to MicrograyMilligray to RadMilligray to MilliradMicrogray to GrayMicrogray to Milligray

Exagray

One exagray is 1.0E+18 grays.

History: SI prefix exa- applied to the gray.

Current use: Purely theoretical; far exceeds any practical radiation dose.

Also written as EGy.

Milligray

One milligray is equal to 0.001 grays.

History: Standard SI prefix applied to the gray.

Current use: Commonly used in diagnostic radiology to express patient doses (e.g., CT scans).

Also written as mGy, milligrays.

Exagray to Milligray table

Exagray [EGy]Milligray [mGy]
0.01 EGy10,000,000,000,000,000,000 mGy
0.1 EGy100,000,000,000,000,000,000 mGy
1 EGy1,000,000,000,000,000,000,000 mGy
2 EGy2,000,000,000,000,000,000,000 mGy
5 EGy5,000,000,000,000,000,000,000 mGy
10 EGy10,000,000,000,000,000,000,000 mGy
20 EGy20,000,000,000,000,000,000,000 mGy
50 EGy50,000,000,000,000,000,000,000 mGy
100 EGy100,000,000,000,000,000,000,000 mGy