Roentgen to Coulomb per Kilogram Conversion
Convert between Roentgen and Coulomb per Kilogram quickly and accurately.
How to Convert Roentgen to Coulomb per Kilogram
Conversion Formula
Example
Convert 15 R to C/kg:
Unit Information
Learn about the radiation exposure units you're converting between
Roentgen
R
Definition
A unit of radiation exposure equal to 2.58 × 10^-4 coulomb per kilogram, originally defined as the quantity of X-rays that produces one electrostatic unit of charge in one cubic centimeter of air.
History/Origin
Named after Wilhelm Conrad Röntgen (1845-1923), the German physicist who discovered X-rays in 1895.
Current Use
Still widely used in medical imaging, radiation therapy, and radiation protection, particularly in the United States.
Multiplier
0
Offset
0
Coulomb per Kilogram
C/kg
Definition
The SI base unit of radiation exposure, representing the quantity of electrical charge produced in air by ionizing radiation per unit mass.
History/Origin
Derived from the fundamental definition of radiation exposure as the amount of ionization produced in air by X-rays or gamma rays.
Current Use
Widely used in radiation protection, medical physics, and radiation dosimetry applications.
Multiplier
1
Offset
0
Roentgen to Coulomb per Kilogram Conversion Table
| Roentgen [R] | Coulomb per Kilogram [C/kg] |
|---|---|
| 1 R | 0.000258 C/kg |
| 10 R | 0.00258 C/kg |
| 25 R | 0.00645 C/kg |
| 50 R | 0.0129 C/kg |
| 100 R | 0.0258 C/kg |
| 0 R | 0E+0 C/kg |
| -10 R | -0.00258 C/kg |
| -40 R | -0.01032 C/kg |
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