Convert Centigray to Kilogray

Type the number of centigrays that you wish to convert to kilograys.

1 cGy (centigrays) = 1e-5 kGy (kilograys)

How to Convert Centigrays to Kilograys

The centigray and kilogray are both units of radiation dose. By definition, 1 kilogray equals exactly 100000 centigrays. This means to convert centigrays to kilograys, you divide by 100000.

Formula

kilograys = centigrays ÷ 100000

Step-by-Step Example

Convert 5 cGy to kilograys:

1
Convert 5 cGy to kilograys

We need to convert centigrays to kilograys

2
Apply the formula

Since 1 kGy = 100000 cGy, divide by 100000

5 ÷ 100000 = 5e-5

Answer

5 cGy = 5e-5 kGy

Centigray to Kilogray Conversion Table

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

Centigrays (cGy) Kilograys (kGy)
0.1 cGy 1e-6 kGy
0.5 cGy 5e-6 kGy
1 cGy 1e-5 kGy
2 cGy 2e-5 kGy
5 cGy 5e-5 kGy
10 cGy 0.0001 kGy
25 cGy 0.00025 kGy
50 cGy 0.0005 kGy
100 cGy 0.001 kGy

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.

Kilogray (kGy)

A kilogray (kGy) equals 1,000 grays. Used for industrial irradiation: food preservation 1-10 kGy, medical device sterilization 25-50 kGy, cross-linking polymers 50-200 kGy. Far above any biological survivability.

Frequently Asked Questions

How do I convert centigrays to kilograys?

To convert centigrays to kilograys, divide the value by 100000. For example, 10 cGy = 0.0001 kGy.

How many kilograys are in 1 centigray?

1 centigray equals 1e-5 kilograys.

What is the formula for centigrays to kilograys?

The formula is: kGy = cGy ÷ 100000.