Converter group
Radiology Converters
Radiation - Absorbed Dose Converter
Result
... Millirad = ... Rad
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Millirad to Rad Converter
Use this page to convert millirad values into rad, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 mrad = 0.001 rad
1 rad = 1,000 mrad
Example: 1 mrad = 0.001 rad
Millirad
One millirad is equal to 0.001 rads or 0.00001 gray.
History: Standard prefix applied to the rad.
Current use: Found in older US medical and industrial radiation records.
Also written as mrad, millirads.
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.
Millirad to Rad table
| Millirad [mrad] | Rad [rad] |
|---|---|
| 0.01 mrad | 0.00001 rad |
| 0.1 mrad | 0.0001 rad |
| 1 mrad | 0.001 rad |
| 2 mrad | 0.002 rad |
| 5 mrad | 0.005 rad |
| 10 mrad | 0.01 rad |
| 20 mrad | 0.02 rad |
| 50 mrad | 0.05 rad |
| 100 mrad | 0.1 rad |
Frequently asked questions
How many Rad (rad) are in one Millirad (mrad)?
One Millirad equals 0.001 Rad.
How do you convert Millirad to Rad?
Multiply the Millirad value by 0.001 to get the result in Rad.
How do you convert Rad back to Millirad?
Multiply the Rad value by 1,000 to get back to Millirad.
What is 1 Millirad in Rad?
1 Millirad equals 0.001 Rad.