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Radiology Converters
Radiation - Absorbed Dose Converter
Result
... Joule per kilogram = ... Rad
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Joule per kilogram to Rad Converter
Use this page to convert joule per kilogram values into rad, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 J/kg = 100 rad
1 rad = 0.01 J/kg
Example: 1 J/kg = 100 rad
Joule per kilogram
One joule of energy absorbed per kilogram of mass.
History: The base physical definition of the SI unit gray.
Current use: Used in physics and engineering to describe energy absorption directly.
Also written as J/kg, joules per kilogram.
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.
Joule per kilogram to Rad table
| Joule per kilogram [J/kg] | Rad [rad] |
|---|---|
| 0.01 J/kg | 1 rad |
| 0.1 J/kg | 10 rad |
| 1 J/kg | 100 rad |
| 2 J/kg | 200 rad |
| 5 J/kg | 500 rad |
| 10 J/kg | 1,000 rad |
| 20 J/kg | 2,000 rad |
| 50 J/kg | 5,000 rad |
| 100 J/kg | 10,000 rad |
Frequently asked questions
How many Rad (rad) are in one Joule per kilogram (J/kg)?
One Joule per kilogram equals 100 Rad.
How do you convert Joule per kilogram to Rad?
Multiply the Joule per kilogram value by 100 to get the result in Rad.
How do you convert Rad back to Joule per kilogram?
Multiply the Rad value by 0.01 to get back to Joule per kilogram.
What is 1 Joule per kilogram in Rad?
1 Joule per kilogram equals 100 Rad.