Converter group
Radiology Converters
Radiation - Absorbed Dose Converter
Result
... Gray = ... Joule per kilogram
Find the units to convert
Gray to Joule per kilogram Converter
Use this page to convert gray values into joule per kilogram, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 Gy = 1 J/kg
1 J/kg = 1 Gy
Example: 1 Gy = 1 J/kg
Gray
Defined as the absorption of one joule of radiation energy per kilogram of matter.
History: Named after Louis Harold Gray, a pioneer in the field of radiobiology. Adopted by the CGPM in 1975.
Current use: The primary international unit used in radiotherapy, radiation protection, and radiobiology.
Also written as Gy, grays.
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.
Gray to Joule per kilogram table
| Gray [Gy] | Joule per kilogram [J/kg] |
|---|---|
| 0.01 Gy | 0.01 J/kg |
| 0.1 Gy | 0.1 J/kg |
| 1 Gy | 1 J/kg |
| 2 Gy | 2 J/kg |
| 5 Gy | 5 J/kg |
| 10 Gy | 10 J/kg |
| 20 Gy | 20 J/kg |
| 50 Gy | 50 J/kg |
| 100 Gy | 100 J/kg |
Frequently asked questions
How many Joule per kilogram (J/kg) are in one Gray (Gy)?
One Gray equals 1 Joule per kilogram.
How do you convert Gray to Joule per kilogram?
Multiply the Gray value by 1 to get the result in Joule per kilogram.
How do you convert Joule per kilogram back to Gray?
Multiply the Joule per kilogram value by 1 to get back to Gray.
What is 1 Gray in Joule per kilogram?
1 Gray equals 1 Joule per kilogram.
