Convert Rem to Milligray
Type the number of rem that you wish to convert to milligrays.
How to Convert Rem to Milligrays
The rem and milligray are both units of radiation dose. By definition, 1 rem equals exactly 10 milligrays. This means to convert rem to milligrays, you multiply by 10.
Formula
Step-by-Step Example
Convert 5 rem to milligrays:
We need to convert rem to milligrays
Since 1 rem = 10 mGy, multiply by 10
5 × 10 = 50
5 rem = 50 mGy
Rem to Milligray Conversion Table
Quick reference table for common rem to milligray conversions. Click any value for detailed calculation.
| Rem (rem) | Milligrays (mGy) |
|---|---|
| 1 rem | 10 mGy |
| 2 rem | 20 mGy |
| 5 rem | 50 mGy |
| 10 rem | 100 mGy |
| 15 rem | 150 mGy |
| 20 rem | 200 mGy |
| 25 rem | 250 mGy |
| 50 rem | 500 mGy |
| 100 rem | 1000 mGy |
About These Units
Rem (rem)
The rem (Roentgen Equivalent Man) is the traditional unit of equivalent dose. One sievert = 100 rem exactly. Still used in US nuclear industry and regulations. Annual occupational limit: 5 rem/year. Natural background: 0.3 rem/year. Acute 450 rem ≈ LD50.
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 rem to milligrays?
To convert rem to milligrays, multiply the value by 10. For example, 10 rem = 100 mGy.
How many milligrays are in 1 rem?
1 rem equals 10 milligrays.
What is the formula for rem to milligrays?
The formula is: mGy = rem × 10.