RADIATION
Radiation exposure
Ionizing-radiation exposure in air.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result3875.97 R1 C/kg = 3875.97 R
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C/kg to R Converter
Convert coulomb per kilogram (C/kg) to roentgen (R). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through coulomb per kilogram
Enter a coulomb per kilogram value to calculate roentgen with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| coulomb per kilogramfrom C/kg | C/kg | 1 |
| millicoulomb per kilogramfrom C/kg | mC/kg | 1000 |
| roentgenfrom C/kg | R | 3875.97 |
| milliroentgenfrom C/kg | mR | 3875970 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
C/kg to R Conversion Reference
Coulomb Per Kilogram (C/kg) and roentgen (R) are units of radiation exposure. Use this page to convert in either direction.
Conversion Examples
| Coulomb Per Kilogram (C/kg) | Roentgen (R) |
|---|---|
| 1 C/kg | 3875.97 R |
| 5 C/kg | 19379.8 R |
| 10 C/kg | 38759.7 R |
| 100 C/kg | 387597 R |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
R to C/kg (roentgen to coulomb per kilogram)