Convert Kiloroentgens to Megaroentgens
Convert Kiloroentgens (kR) to Megaroentgens (MR) instantly and accurately.
Conversion Formula
MR = kR × 0.001
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 Megaroentgens
The megaroentgen (MR) equals 258 C/kg. Used only in extreme radiation environments - nuclear detonation effects calculations, prompt gamma pulse environments, and legacy radiation hardness assurance for military electronics specify total ionising exposure in MR(air); calibrated flash X-ray simulators output pulse exposures in MR. 1 MR = 258 C/kg = 10⁶ R.
Quick Reference Table
| Kiloroentgens (kR) | Megaroentgens (MR) |
|---|---|
| 1 kR | 0.001 MR |
| 2 kR | 0.002 MR |
| 5 kR | 0.005 MR |
| 10 kR | 0.01 MR |
| 25 kR | 0.025 MR |
| 50 kR | 0.05 MR |
| 100 kR | 0.1 MR |