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Radiation (exposure) converter
Ionisation produced in air. 5 units, converted from one table of exact factors.
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1 coulomb/kilogram in every other radiation (exposure) unit
Computed by the same engine that runs the converter above, so these can never drift apart from it.
| From | Equals | Unit |
|---|---|---|
| 1 coulomb/kilogram | 1,000 | millicoulomb/kilogram (mC/kg) |
| 1 coulomb/kilogram | 1,000,000 | microcoulomb/kilogram (µC/kg) |
| 1 coulomb/kilogram | 3,875.968992 | roentgen (R) |
| 1 coulomb/kilogram | 3,875,968.992 | milliroentgen (mR) |
What each unit actually is
Most converters give you a number and stop. Where a figure is exact by definition we say so, and where it is an average or shifts with conditions we say that too — that is usually the thing you needed to know.
| Unit | Symbol | What it actually is |
|---|---|---|
| coulomb/kilogram | C/kg | SI. |
| millicoulomb/kilogram | mC/kg | |
| microcoulomb/kilogram | µC/kg | |
| roentgen | R | Exact by definition. The unit X-ray machines were calibrated in. |
| milliroentgen | mR |
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