Convert Kiloroentgens to Microcoulombs per kilogram

Convert Kiloroentgens (kR) to Microcoulombs per kilogram (µC/kg) instantly and accurately.

Kiloroentgens (kR)
Microcoulombs per kilogram (µC/kg)

Conversion Formula

µC/kg = kR × 258000

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.

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.

Quick Reference Table

Kiloroentgens (kR)Microcoulombs per kilogram (µC/kg)
1 kR258000 µC/kg
2 kR516000 µC/kg
5 kR1290000 µC/kg
10 kR2580000 µC/kg
25 kR6450000 µC/kg
50 kR12900000 µC/kg
100 kR25800000 µC/kg

→ Full Exposure Converter