Rep to Roentgen Conversion
Convert between Rep and Roentgen quickly and accurately.
How to Convert Rep to Roentgen
Conversion Formula
Example
Convert 15 rep to R:
Unit Information
Learn about the radiation exposure units you're converting between
Rep
rep
Definition
A unit of radiation exposure equal to 2.58 × 10^-4 coulomb per kilogram, equivalent to one roentgen.
History/Origin
Acronym for "roentgen equivalent physical", used in early radiation dosimetry to describe radiation exposure.
Current Use
Used in historical radiation dosimetry and specialized radiation measurement applications.
Multiplier
0
Offset
0
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
Rep to Roentgen Conversion Table
| Rep [rep] | Roentgen [R] |
|---|---|
| 1 rep | 1 R |
| 10 rep | 10 R |
| 25 rep | 25 R |
| 50 rep | 50 R |
| 100 rep | 100 R |
| 0 rep | 0E+0 R |
| -10 rep | -10 R |
| -40 rep | -40 R |
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