Convert Centigray to Milligray

Convert centigrays to milligrays by entering a value below.

1 cGy (centigrays) = 10 mGy (milligrays)

How to Convert Centigrays to Milligrays

The centigray and milligray are both units of radiation dose. By definition, 1 centigray equals exactly 10 milligrays. This means to convert centigrays to milligrays, you multiply by 10.

Formula

milligrays = centigrays × 10

Step-by-Step Example

Convert 5 cGy to milligrays:

1
Convert 5 cGy to milligrays

We need to convert centigrays to milligrays

2
Apply the formula

Since 1 cGy = 10 mGy, multiply by 10

5 × 10 = 50

Answer

5 cGy = 50 mGy

Centigray to Milligray Conversion Table

Quick reference table for common centigray to milligray conversions. Click any value for detailed calculation.

Centigrays (cGy) Milligrays (mGy)
1 cGy 10 mGy
2 cGy 20 mGy
5 cGy 50 mGy
10 cGy 100 mGy
15 cGy 150 mGy
20 cGy 200 mGy
25 cGy 250 mGy
50 cGy 500 mGy
100 cGy 1000 mGy

About These Units

Centigray (cGy)

A centigray (cGy) equals 0.01 gray and exactly equals 1 rad. Standard unit in radiation oncology. Typical fraction: 180-200 cGy/day. Total treatment: 4,000-8,000 cGy. Prostate: 7,000-8,000 cGy. Breast: 5,000-6,000 cGy.

Milligray (mGy)

A milligray (mGy) equals 0.001 gray or 0.1 rad. Common medical imaging doses: CT scan 10-30 mGy, mammogram 2-3 mGy, fluoroscopy 20-50 mGy. Diagnostic reference levels often specified in mGy.

Frequently Asked Questions

How do I convert centigrays to milligrays?

To convert centigrays to milligrays, multiply the value by 10. For example, 10 cGy = 100 mGy.

How many milligrays are in 1 centigray?

1 centigray equals 10 milligrays.

What is the formula for centigrays to milligrays?

The formula is: mGy = cGy × 10.