Radiation Converter

Convert between gray, rad, sievert, rem, and more radiation dose units.

Radiation Converter

Enter a value and select units to convert

1 Gy = 1,000 mGy

Common Values

GrayMilligray
0.001 Gy1 mGy
0.01 Gy10 mGy
0.1 Gy100 mGy
1 Gy1,000 mGy
2 Gy2,000 mGy
5 Gy5,000 mGy
10 Gy10,000 mGy
25 Gy25,000 mGy
50 Gy50,000 mGy
100 Gy100,000 mGy
1000 Gy1,000,000 mGy

Available Units

Gray

Gy

Milligray

mGy

Rad

rad

Sievert

Sv

Millisievert

mSv

Microsievert

µSv

Rem

rem

Millirem

mrem

Joule/kilogram

J/kg

About Radiation Conversion

The Radiation Converter allows you to convert between 9 different units including Gray, Milligray, Rad, Sievert, Millisievert, and 4 more.

Simply enter a value, select the source and target units, and get instant, accurate results. This converter is part of the Radiology converters category on FastConvert.

Whether you're a student, professional, or just need a quick conversion, FastConvert's Radiation Converter delivers precise results in real-time. All calculations run directly in your browser — no data is sent to any server.

Frequently Asked Questions

How do I convert Gray to Milligray?

Enter the value in Gray, select Milligray as the output, and the result appears instantly. No signup or installation required.

What units does the Radiation Converter support?

This converter supports 9 units: Gray (Gy), Milligray (mGy), Rad (rad), Sievert (Sv), Millisievert (mSv), Microsievert (µSv), Rem (rem), Millirem (mrem), Joule/kilogram (J/kg).

Is the Radiation Converter free to use?

Yes! All tools on FastConvert are completely free. No registration, no ads, and no limits on conversions.

Is my data safe?

Absolutely. All conversions happen directly in your browser. No data is sent to any server, ensuring complete privacy.