Convert Sievert to Milligray
Type the number of sieverts that you wish to convert to milligrays.
How to Convert Sieverts to Milligrays
The sievert and milligray are both units of radiation dose. By definition, 1 sievert equals exactly 1000 milligrays. This means to convert sieverts to milligrays, you multiply by 1000.
Formula
Step-by-Step Example
Convert 5 Sv to milligrays:
We need to convert sieverts to milligrays
Since 1 Sv = 1000 mGy, multiply by 1000
5 × 1000 = 5000
5 Sv = 5000 mGy
Sievert to Milligray Conversion Table
Quick reference table for common sievert to milligray conversions. Click any value for detailed calculation.
| Sieverts (Sv) | Milligrays (mGy) |
|---|---|
| 0.1 Sv | 100 mGy |
| 0.5 Sv | 500 mGy |
| 1 Sv | 1000 mGy |
| 2 Sv | 2000 mGy |
| 5 Sv | 5000 mGy |
| 10 Sv | 10000 mGy |
| 25 Sv | 25000 mGy |
| 50 Sv | 50000 mGy |
| 100 Sv | 100000 mGy |
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.
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 sieverts to milligrays?
To convert sieverts to milligrays, multiply the value by 1000. For example, 10 Sv = 10000 mGy.
How many milligrays are in 1 sievert?
1 sievert equals 1000 milligrays.
What is the formula for sieverts to milligrays?
The formula is: mGy = Sv × 1000.