Convert Microcoulombs per kilogram to Milliroentgens
Convert Microcoulombs per kilogram (µC/kg) to Milliroentgens (mR) instantly and accurately.
Conversion Formula
mR = µC/kg × 3.875968992
About Microcoulombs per kilogram
The microcoulomb per kilogram (µC/kg) equals 10⁻⁶ C/kg ≈ 3.88 mR. Used in precision ionisation chamber measurements for X-ray beam quality characterisation; national standards laboratories express free-air chamber calibration factors in µC/kg. 1 µC/kg = 10⁻⁶ C/kg = 10⁻³ mC/kg.
About Milliroentgens
The milliroentgen (mR) equals 2.58 × 10⁻⁷ C/kg. Standard unit in US health physics for area gamma surveys: personal dosimeters and Geiger counters in medical and industrial radiography settings display mR/h; NRC licence conditions often specify dose-rate limits in mR/h at facility boundaries. 1 mR = 2.58 × 10⁻⁷ C/kg.
Quick Reference Table
| Microcoulombs per kilogram (µC/kg) | Milliroentgens (mR) |
|---|---|
| 1 µC/kg | 3.87597 mR |
| 2 µC/kg | 7.75194 mR |
| 5 µC/kg | 19.3798 mR |
| 10 µC/kg | 38.7597 mR |
| 25 µC/kg | 96.8992 mR |
| 50 µC/kg | 193.798 mR |
| 100 µC/kg | 387.597 mR |