Convert Megaroentgens to Kiloroentgens

Convert Megaroentgens (MR) to Kiloroentgens (kR) instantly and accurately.

Megaroentgens (MR)
Kiloroentgens (kR)

Conversion Formula

kR = MR × 1000

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.

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

Megaroentgens (MR)Kiloroentgens (kR)
1 MR1000 kR
2 MR2000 kR
5 MR5000 kR
10 MR10000 kR
25 MR25000 kR
50 MR50000 kR
100 MR100000 kR

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