1 roentgen = 0.000258 coulomb/kilogram
All conversions
| Unit | Symbol | Value |
|---|
About the Radiation-Exposure Converter
Convert radiation exposure between roentgens, coulombs per kilogram (and milli/micro), parkers, reps and tissue roentgens. The base unit is the coulomb/kilogram; every one of the 7 units is defined against it, so any pair converts directly in a single step.
Use it as a free online radiation-exposure calculator: type a value and the result appears as you type, the formula for the selected units is shown below, and the conversion chart lists the most common values — no app, no sign-up.
How to Convert roentgen to coulomb/kilogram
To convert roentgen to coulomb/kilogram, multiply the value in roentgen by 0.000258.
roentgen to coulomb/kilogram conversion chart
| roentgen | coulomb/kilogram |
|---|---|
| 0.1 | 0.0000258 |
| 1 | 0.000258 |
| 2 | 0.000516 |
| 5 | 0.00129 |
| 10 | 0.00258 |
| 20 | 0.00516 |
| 50 | 0.0129 |
| 100 | 0.0258 |
| 500 | 0.129 |
| 1,000 | 0.258 |
Common radiation-exposure conversions
- 1 roentgen = 0.000258 coulomb/kilogram
- 1 roentgen = 0.258 millicoulomb/kilogram
- 1 roentgen = 258 microcoulomb/kilogram
- 1 roentgen = 1 tissue roentgen
- 1 roentgen = 1 parker
- 1 roentgen = 1 rep
How to Use the Radiation-Exposure Converter
- Type a value in the From box and choose its unit.
- Pick the unit you want in the To list — the result updates as you type.
- Use the swap button to reverse the conversion, or type in the To box to convert backwards.
- Check the All conversions table to see your value in every unit; click a row to make it the target.
Frequently Asked Questions
How do I convert roentgen to coulomb/kilogram?
To convert roentgen to coulomb/kilogram, multiply the value in roentgen by 0.000258. For example, 1 roentgen = 0.000258 coulomb/kilogram. Type any value above and the answer updates as you type.
How many coulombs/kilogram are in a roentgen?
There are 0.000258 coulombs/kilogram in 1 roentgen. To convert roentgens to coulombs/kilogram, multiply by 0.000258 — for example, 10 roentgens = 0.00258 coulombs/kilogram. To go the other way, divide by 0.000258.
How many roentgens are in a coulomb/kilogram?
There are 3,875.968992 roentgens in 1 coulomb/kilogram. To convert coulombs/kilogram to roentgens, multiply by 3,875.968992 — for example, 10 coulombs/kilogram = 38,759.68992 roentgens. To go the other way, divide by 3,875.968992.
How many millicoulombs/kilogram are in a roentgen?
There are 0.258 millicoulombs/kilogram in 1 roentgen. To convert roentgens to millicoulombs/kilogram, multiply by 0.258 — for example, 10 roentgens = 2.58 millicoulombs/kilogram. To go the other way, divide by 0.258.
How many coulombs/kilogram are in a millicoulomb/kilogram?
There are 0.001 coulombs/kilogram in 1 millicoulomb/kilogram. To convert millicoulombs/kilogram to coulombs/kilogram, multiply by 0.001 — for example, 10 millicoulombs/kilogram = 0.01 coulombs/kilogram. To go the other way, divide by 0.001.
How many microcoulombs/kilogram are in a roentgen?
There are 258 microcoulombs/kilogram in 1 roentgen. To convert roentgens to microcoulombs/kilogram, multiply by 258 — for example, 10 roentgens = 2,580 microcoulombs/kilogram. To go the other way, divide by 258.
How many coulombs/kilogram are in a microcoulomb/kilogram?
There are 0.000001 coulombs/kilogram in 1 microcoulomb/kilogram. To convert microcoulombs/kilogram to coulombs/kilogram, multiply by 0.000001 — for example, 10 microcoulombs/kilogram = 0.00001 coulombs/kilogram. To go the other way, divide by 0.000001.
How many tissue roentgens are in a roentgen?
There are 1 tissue roentgens in 1 roentgen. To convert roentgens to tissue roentgens, multiply by 1 — for example, 10 roentgens = 10 tissue roentgens. To go the other way, divide by 1.
What is the base unit for radiation-exposure conversions?
The coulomb/kilogram. Every one of the 7 units in this converter is defined relative to the coulomb/kilogram, so any two units convert directly in one step.
How many units does the Radiation-Exposure Converter support?
The Radiation-Exposure Converter handles 7 units. You can convert between any two of them, or see your value in every unit at once in the "All conversions" table.
How accurate is this radiation-exposure converter?
Conversions use exact definitions wherever one exists (for example the international inch is exactly 2.54 cm and the pound exactly 0.45359237 kg) and calculate in double precision. Choose how many significant digits to show — up to 15.
How do I use the Radiation-Exposure Converter?
Type a value in the From box and pick its unit, then pick the unit you want in the To list — the answer updates as you type. Use the swap button to reverse the conversion, or open the "All conversions" table to see the value in every unit.
Is the Radiation-Exposure Converter free, and does it work offline?
Yes, it is completely free with no sign-up. Once the page has loaded, every conversion runs in your browser, so nothing is sent to our servers. It's one of 71 radiology and other unit converters on House of Convert.