Convert Coulombs per kilogram to Millicoulombs per kilogram
Convert Coulombs per kilogram (C/kg) to Millicoulombs per kilogram (mC/kg) instantly and accurately.
Conversion Formula
mC/kg = C/kg × 1000
About Coulombs per kilogram
The coulomb per kilogram (C/kg) is the SI derived unit of radiation exposure, equal to 1 coulomb of ion charge liberated per kilogram of dry air. It replaced the roentgen in SI. Calibration of clinical X-ray beams with free-air ionisation chambers and parallel-plate chambers yields results in C/kg. 1 C/kg ≈ 3876 R.
About Millicoulombs per kilogram
The millicoulomb per kilogram (mC/kg) equals 10⁻³ C/kg ≈ 3.88 R. Used in high-dose-rate X-ray beam calibration protocols (IAEA TRS-398, AAPM TG-51) where free-air chambers accumulate mC/kg of charge per irradiation; high-energy medical linac beams deliver calibration exposures measured in mC/kg. 1 mC/kg = 10⁻³ C/kg ≈ 3.88 R.
Quick Reference Table
| Coulombs per kilogram (C/kg) | Millicoulombs per kilogram (mC/kg) |
|---|---|
| 1 C/kg | 1000 mC/kg |
| 2 C/kg | 2000 mC/kg |
| 5 C/kg | 5000 mC/kg |
| 10 C/kg | 10000 mC/kg |
| 25 C/kg | 25000 mC/kg |
| 50 C/kg | 50000 mC/kg |
| 100 C/kg | 100000 mC/kg |