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Radiology Converters

Radiation - Absorbed Dose Converter

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Radiation - Absorbed Dose Converter

Convert absorbed dose units including gray, rad, and centigray.

About this converter

Absorbed dose measures the energy deposited in matter per unit mass. It includes SI, legacy, and practical radiotherapy units.

The base unit for this converter is gray, which lets us map each unit into one consistent formula layer before converting to the target unit.

Quick examples

1 Gy to mGy1,000 mGy
1 Gy to µGy1,000,000 µGy
1 mGy to Gy0.001 Gy
1 mGy to µGy1,000 µGy
1 µGy to Gy0.000001 Gy
1 µGy to mGy0.001 mGy
1 rad to Gy0.01 Gy
1 rad to mGy10 mGy

Available units

Gray

Gy

The SI unit of absorbed radiation dose.

Also written as grays.

Milligray

mGy

One thousandth of a gray.

Also written as milligrays.

Microgray

µGy

One millionth of a gray.

Also written as uGy, micrograys.

Rad

rad

A legacy unit of absorbed radiation dose.

Also written as rads.

Millirad

mrad

One thousandth of a rad.

Also written as millirads.

Joule per kilogram

J/kg

Equivalent to the gray.

Also written as joules per kilogram.

Exagray

EGy

10^18 grays.

Petagray

PGy

10^15 grays.

Teragray

TGy

One trillion grays.

Gigagray

GGy

One billion grays.

Megagray

MGy

One million grays.

Kilogray

kGy

One thousand grays.

Hectogray

hGy

One hundred grays.

Dekagray

daGy

Ten grays.

Decigray

dGy

One tenth of a gray.

Centigray

cGy

One hundredth of a gray.

Nanogray

nGy

One billionth of a gray.

Picogray

pGy

One trillionth of a gray.

Femtogray

fGy

One quadrillionth of a gray (10^-15 grays).

Attogray

aGy

One quintillionth of a gray (10^-18 grays).

Joule per gram

J/g

1,000 grays.

Joule per centigram

J/cg

100,000 grays.

Joule per milligram

J/mg

1,000,000 grays.