Convert Sievert to Centigray
Convert sieverts to centigrays by entering a value below.
How to Convert Sieverts to Centigrays
The sievert and centigray are both units of radiation dose. By definition, 1 sievert equals exactly 100 centigrays. This means to convert sieverts to centigrays, you multiply by 100.
Formula
Step-by-Step Example
Convert 5 Sv to centigrays:
We need to convert sieverts to centigrays
Since 1 Sv = 100 cGy, multiply by 100
5 × 100 = 500
5 Sv = 500 cGy
Sievert to Centigray Conversion Table
Quick reference table for common sievert to centigray conversions. Click any value for detailed calculation.
| Sieverts (Sv) | Centigrays (cGy) |
|---|---|
| 1 Sv | 100 cGy |
| 2 Sv | 200 cGy |
| 5 Sv | 500 cGy |
| 10 Sv | 1000 cGy |
| 15 Sv | 1500 cGy |
| 20 Sv | 2000 cGy |
| 25 Sv | 2500 cGy |
| 50 Sv | 5000 cGy |
| 100 Sv | 10000 cGy |
About These Units
Sievert (Sv)
The sievert (Sv) is the SI unit of equivalent dose, measuring biological effect of radiation exposure. Accounts for radiation type via quality factors. 1 Sv = significant health risk, 4-5 Sv = 50% fatality (LD50). Acute exposure above 0.5 Sv causes radiation sickness.
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.
Frequently Asked Questions
How do I convert sieverts to centigrays?
To convert sieverts to centigrays, multiply the value by 100. For example, 10 Sv = 1000 cGy.
How many centigrays are in 1 sievert?
1 sievert equals 100 centigrays.
What is the formula for sieverts to centigrays?
The formula is: cGy = Sv × 100.