roentgen to
microcoulomb/kilogram
microcoulomb/kilogram to
roentgen
Unit Definitions:
roentgen
RContextual Explanation
A traditional non-SI unit of radiation exposure. Originally defined as the quantity of X or gamma radiation that produces 1 electrostatic unit (esu) of charge per cubic centimeter of dry air at STP.
Practical Applications
Historical medical radiology records, legacy US radiation safety regulations (still occasionally seen in survey meters measuring mR/h), and historical dosimetry.
microcoulomb / kilogram
µC/kgContextual Explanation
Equal to 10-6 Coulomb per kilogram. Used for precise measurement of low-level ionizing radiation fields in the air.
Practical Applications
Stray radiation surveys outside medical imaging suites, environmental monitoring around diagnostic X-ray rooms, and occupational health physics audits.
Example Calculation
To convert 1 roentgen [R] to microcoulomb/kilogram [µC/kg]:
• Conversion factor: 1 roentgen [R] = 258 microcoulomb/kilogram [µC/kg]
• Step: 1 × 258 = 258 microcoulomb/kilogram [µC/kg]
roentgen [R] to microcoulomb/kilogram [µC/kg] Conversion table
- 0.01 roentgen [R] = 2.58 microcoulomb/kilogram [µC/kg]
- 0.1 roentgen [R] = 25.8 microcoulomb/kilogram [µC/kg]
- 1 roentgen [R] = 258 microcoulomb/kilogram [µC/kg]
- 2 roentgen [R] = 516 microcoulomb/kilogram [µC/kg]
- 3 roentgen [R] = 774 microcoulomb/kilogram [µC/kg]
- 5 roentgen [R] = 1290 microcoulomb/kilogram [µC/kg]
- 10 roentgen [R] = 2580 microcoulomb/kilogram [µC/kg]
- 20 roentgen [R] = 5160 microcoulomb/kilogram [µC/kg]
- 50 roentgen [R] = 12900 microcoulomb/kilogram [µC/kg]
- 100 roentgen [R] = 25800 microcoulomb/kilogram [µC/kg]
- 1000 roentgen [R] = 258000 microcoulomb/kilogram [µC/kg]