Convert Centigray to Kilorad
Type the number of centigrays that you wish to convert to kilorads.
How to Convert Centigrays to Kilorads
The centigray and kilorad are both units of radiation dose. By definition, 1 kilorad equals exactly 1000 centigrays. This means to convert centigrays to kilorads, you divide by 1000.
Formula
Step-by-Step Example
Convert 5 cGy to kilorads:
We need to convert centigrays to kilorads
Since 1 krad = 1000 cGy, divide by 1000
5 ÷ 1000 = 0.005
5 cGy = 0.005 krad
Centigray to Kilorad Conversion Table
Quick reference table for common centigray to kilorad conversions. Click any value for detailed calculation.
| Centigrays (cGy) | Kilorads (krad) |
|---|---|
| 0.1 cGy | 0.0001 krad |
| 0.5 cGy | 0.0005 krad |
| 1 cGy | 0.001 krad |
| 2 cGy | 0.002 krad |
| 5 cGy | 0.005 krad |
| 10 cGy | 0.01 krad |
| 25 cGy | 0.025 krad |
| 50 cGy | 0.05 krad |
| 100 cGy | 0.1 krad |
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.
Kilorad (krad)
A kilorad (krad) equals 1,000 rads or 10 grays. Used in electronics radiation hardening: commercial chips fail at 1-10 krad, radiation-hardened: 100+ krad, space-grade: 300+ krad total ionizing dose (TID) tolerance.
Frequently Asked Questions
How do I convert centigrays to kilorads?
To convert centigrays to kilorads, divide the value by 1000. For example, 10 cGy = 0.01 krad.
How many kilorads are in 1 centigray?
1 centigray equals 0.001 kilorads.
What is the formula for centigrays to kilorads?
The formula is: krad = cGy ÷ 1000.