UnitConverter

Gray to Rad (Gy to rad) Absorbed Dose Converter

Formula:1 Gy = 100 rad
⇄ Switch to Rad To Gray
Gray
Gy
Rad
rad
Gray to Rad — common values
1 Gy100 rad
5 Gy500 rad
10 Gy1,000 rad
25 Gy2,500 rad
50 Gy5,000 rad
100 Gy10,000 rad
500 Gy50,000 rad
1,000 Gy100,000 rad
Quick Answer1 Gy = 100 rad

1 Gy = 100 rad

1 gray = 100 rad. A chest X-ray delivers ~0.1 mGy (0.01 rad). Cancer radiotherapy delivers 60–80 Gy.

How to convert Gray To Rad

1 Gy = 100 rad.

To convert gray to rad, use the formula: 1 Gy = 100 rad. Enter any value in the input field above and the result appears instantly. Click the ⇄ button to reverse the conversion direction.

All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000), accurate to 8 significant figures.

Frequently Asked Questions

How many Rads are in one Gray?

1 Gy = 100 rad. 1 gray = 100 rad. A chest X-ray delivers ~0.1 mGy (0.01 rad). Cancer radiotherapy delivers 60–80 Gy.

What is the formula to convert Gray to Rad?

1 Gy = 100 rad. Multiply the Gray value by the conversion factor to get Rad.

How do I convert Rad To Gray?

Use the Rad To Gray converter — formula: 1 Gy = 100 rad. Click the ⇄ switch button above for the reverse conversion.

Is this Gray to Rad converter free?

Yes — completely free, no registration required. Works instantly in your browser using precise mathematical constants validated against SI standards.

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