Converter group
Radiology Converters
Radiation - Absorbed Dose Converter
Result
... Rad = ... Milligray
Find the units to convert
Rad to Milligray Converter
Use this page to convert rad values into milligray, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 rad = 10 mGy
1 mGy = 0.1 rad
Example: 1 rad = 10 mGy
Rad
Defined as the absorption of 100 ergs of energy per gram of matter, equal to 0.01 gray.
History: Acronym for Radiation Absorbed Dose. Established in 1953 as a replacement for the roentgen.
Current use: Still frequently used in the United States, though officially discouraged in favor of the gray.
Also written as rad, rads.
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.
Rad to Milligray table
| Rad [rad] | Milligray [mGy] |
|---|---|
| 0.01 rad | 0.1 mGy |
| 0.1 rad | 1 mGy |
| 1 rad | 10 mGy |
| 2 rad | 20 mGy |
| 5 rad | 50 mGy |
| 10 rad | 100 mGy |
| 20 rad | 200 mGy |
| 50 rad | 500 mGy |
| 100 rad | 1,000 mGy |
Frequently asked questions
How many Milligray (mGy) are in one Rad (rad)?
One Rad equals 10 Milligray.
How do you convert Rad to Milligray?
Multiply the Rad value by 10 to get the result in Milligray.
How do you convert Milligray back to Rad?
Multiply the Milligray value by 0.1 to get back to Rad.
What is 1 Rad in Milligray?
1 Rad equals 10 Milligray.