Utilnaro
Category: Converters

Absorbed Dose Converter

Convert grays, milligrays and rads.

Runs in your browserProcessed locally. Your input never leaves your device.

Converting Absorbed radiation dose.

Convert from
Convert to

You can type here too — it converts the other way.

1 Gy = 100 rad

Exact by definition

The same value in other units

milligray
1000 mGy
Settings

Digits kept in the answer. Automatic keeps six, which hides floating-point noise without losing anything real.

Convert a whole list

Paste one conversion per line, written the way you would say it: "5 km to mi". Handy for a column copied out of a spreadsheet.

Details

About this tool

Converts between grays and rads, the units of energy deposited by ionising radiation. Absorbed dose is kept separate from equivalent dose (sieverts) because the two are linked only through a weighting factor that depends on the type of radiation.

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Good to know

Questions people actually ask

What is the difference between a gray and a sievert?
A gray measures energy absorbed; a sievert weights that energy by how damaging the radiation type is to tissue. For X-rays and gamma the weighting is 1, so the numbers match - for alpha particles they differ by a factor of 20.