| Formula | Calculator | Reverse units |
|---|---|---|
| 1 roentgen = 0.000258 ampere second/kilogram | Show conversions from ampere second/kilogram | |
| 1 roentgen = 0.000258 ampere square meter/joule second | Show conversions from ampere square meter/joule second | |
| 1 roentgen = 0.000258 coulomb/kilogram | Show conversions from coulomb/kilogram | |
| 1 roentgen = 258 microcoulomb/kilogram | Show conversions from microcoulomb/kilogram | |
| 1 roentgen = 0.258 millicoulomb/kilogram | Show conversions from millicoulomb/kilogram | |
| 1 roentgen = 258000 nanocoulomb/kilogram | Show conversions from nanocoulomb/kilogram | |
| 1 roentgen = 2.58e+8 picocoulomb/kilogram | Show conversions from picocoulomb/kilogram | |
| 1 roentgen = 1 rontgen | Show conversions from rontgen |