Convert milliroentgens to coulomb per kilograms
1 mR = 0.000000258 C/kg — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
More converter tools
Readable results
Ranges, ± tolerances, feet/inches and clock durations work in the value field.
Unit picker
Export this result
Show this value in all 5 radiation exposure units
- Coulomb per kilograms C/kg 0.000 000 258
- Millicoulomb per kilograms mC/kg 0.000 258
- Roentgens R 0.001
- Milliroentgens mR 1
- Microroentgens µR 1000
Every row is Milliroentgen (mR) converted through the coulomb per kilogram, in exact rational arithmetic.
How to convert milliroentgens to coulomb per kilograms
Multiply the number of milliroentgens by 0.000000258 to get coulomb per kilograms.
The exact factor is 0.000000258 — as a fraction, 129/500000000.
Milliroentgen to Coulomb per kilogram conversion table
| Milliroentgens (mR) | Coulomb per kilograms (C/kg) |
|---|---|
| 1 mR | 0.000 000 258 |
| 2 mR | 0.000 000 516 |
| 3 mR | 0.000 000 774 |
| 5 mR | 0.000 001 29 |
| 10 mR | 0.000 002 58 |
| 20 mR | 0.000 005 16 |
| 25 mR | 0.000 006 45 |
| 50 mR | 0.000 012 9 |
| 100 mR | 0.000 025 8 |
| 250 mR | 0.000 064 5 |
| 500 mR | 0.000 129 |
| 1000 mR | 0.000 258 |
Coulomb per kilogram to Milliroentgen conversion table
| Coulomb per kilograms (C/kg) | Milliroentgens (mR) |
|---|---|
| 1 C/kg | 3 875 969 |
| 2 C/kg | 7 751 938 |
| 3 C/kg | 11 627 907 |
| 5 C/kg | 19 379 845 |
| 10 C/kg | 38 759 690 |
| 20 C/kg | 77 519 380 |
| 25 C/kg | 96 899 225 |
| 50 C/kg | 193 798 450 |
| 100 C/kg | 387 596 900 |
| 250 C/kg | 968 992 250 |
| 500 C/kg | 1 937 984 500 |
| 1000 C/kg | 3 875 969 000 |
Frequently asked
How many coulomb per kilograms are in a milliroentgen?
One milliroentgen equals 0.000000258 coulomb per kilograms (mR → C/kg). That figure is exact, not rounded.
How do you convert milliroentgens to coulomb per kilograms?
Multiply the number of milliroentgens by 0.000000258 to get coulomb per kilograms.
What is 1 C/kg in milliroentgens?
One coulomb per kilogram is 3875968.992 milliroentgens.
What is 10 mR in C/kg?
10 mR = 0.000 002 58 C/kg.