Convert Millicoulombs per kilogram to Kiloroentgens
Convert Millicoulombs per kilogram (mC/kg) to Kiloroentgens (kR) instantly and accurately.
Conversion Formula
kR = mC/kg × 0.003875968992
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.
About Kiloroentgens
The kiloroentgen (kR) equals 0.258 C/kg. Used in radiation hardness testing of electronics and legacy nuclear weapons effects literature; total ionising exposure inside nuclear facilities during design-basis accident scenarios is cited in kR; some older radiation therapy machine output specifications use kR/min. 1 kR = 0.258 C/kg = 10³ R.
Quick Reference Table
| Millicoulombs per kilogram (mC/kg) | Kiloroentgens (kR) |
|---|---|
| 1 mC/kg | 0.00387597 kR |
| 2 mC/kg | 0.00775194 kR |
| 5 mC/kg | 0.0193798 kR |
| 10 mC/kg | 0.0387597 kR |
| 25 mC/kg | 0.0968992 kR |
| 50 mC/kg | 0.193798 kR |
| 100 mC/kg | 0.387597 kR |