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Radiology Converters

Radiation - Absorbed Dose Converter

Result

... Rad = ... Joule per kilogram

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Rad to Joule per kilogram Converter

Use this page to convert rad values into joule per kilogram, with background details, formulas, a worked example, and a quick conversion table.

Conversion formula

1 rad = 0.01 J/kg

1 J/kg = 100 rad

Example: 1 rad = 0.01 J/kg

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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

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 to Joule per kilogram table

Rad [rad]Joule per kilogram [J/kg]
0.01 rad0.0001 J/kg
0.1 rad0.001 J/kg
1 rad0.01 J/kg
2 rad0.02 J/kg
5 rad0.05 J/kg
10 rad0.1 J/kg
20 rad0.2 J/kg
50 rad0.5 J/kg
100 rad1 J/kg

Frequently asked questions

  • How many Joule per kilogram (J/kg) are in one Rad (rad)?

    One Rad equals 0.01 Joule per kilogram.

  • How do you convert Rad to Joule per kilogram?

    Multiply the Rad value by 0.01 to get the result in Joule per kilogram.

  • How do you convert Joule per kilogram back to Rad?

    Multiply the Joule per kilogram value by 100 to get back to Rad.

  • What is 1 Rad in Joule per kilogram?

    1 Rad equals 0.01 Joule per kilogram.