Convert Millirem to Milligray
Type the number of millirem that you wish to convert to milligrays.
How to Convert Millirem to Milligrays
The millirem and milligray are both units of radiation dose. By definition, 1 milligray equals exactly 100 millirem. This means to convert millirem to milligrays, you divide by 100.
Formula
Step-by-Step Example
Convert 5 mrem to milligrays:
We need to convert millirem to milligrays
Since 1 mGy = 100 mrem, divide by 100
5 ÷ 100 = 0.05
5 mrem = 0.05 mGy
Millirem to Milligray Conversion Table
Quick reference table for common millirem to milligray conversions. Click any value for detailed calculation.
| Millirem (mrem) | Milligrays (mGy) |
|---|---|
| 1 mrem | 0.01 mGy |
| 2 mrem | 0.02 mGy |
| 5 mrem | 0.05 mGy |
| 10 mrem | 0.1 mGy |
| 15 mrem | 0.15 mGy |
| 20 mrem | 0.2 mGy |
| 25 mrem | 0.25 mGy |
| 50 mrem | 0.5 mGy |
| 100 mrem | 1 mGy |
About These Units
Millirem (mrem)
A millirem (mrem) equals 0.001 rem or 10 μSv. US dosimetry standard: natural background 300-400 mrem/year, occupational limit 5,000 mrem/year, public limit 100 mrem/year above background. Chest X-ray: ~2 mrem.
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 millirem to milligrays?
To convert millirem to milligrays, divide the value by 100. For example, 10 mrem = 0.1 mGy.
How many milligrays are in 1 millirem?
1 millirem equals 0.01 milligrays.
What is the formula for millirem to milligrays?
The formula is: mGy = mrem ÷ 100.