Convert Milliroentgens to Kiloroentgens
Convert Milliroentgens (mR) to Kiloroentgens (kR) instantly and accurately.
Conversion Formula
kR = mR × 1.000000000e-6
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.
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
| Milliroentgens (mR) | Kiloroentgens (kR) |
|---|---|
| 1 mR | 1 × 10-6 kR |
| 2 mR | 2 × 10-6 kR |
| 5 mR | 5 × 10-6 kR |
| 10 mR | 1 × 10-5 kR |
| 25 mR | 2.5 × 10-5 kR |
| 50 mR | 5 × 10-5 kR |
| 100 mR | 1 × 10-4 kR |