How to Convert Roentgens to Milligrays
To convert roentgens to milligrays, multiply the value by 8.77.
The Formula
Milligrays = Roentgens × 8.77
Key Fact
1 roentgen = 8.77 milligrays
Tip: To convert milligrays back to roentgens, divide by 8.77.
Roentgens to Milligrays
Convert roentgens (R) to milligrays (mGy) with formulas, examples, and conversion tables.
R
mGy
1 R = 8.77 mGy
Full precision:8.77 mGy
Step-by-Step Solution
To convert 1 roentgens to milligrays, we multiply by 8.77 because one roentgen equals exactly 8.77 milligrays.
1 roentgen = 8.77 milligrays
Since each roentgen contains 8.77 milligrays, we multiply our value by this factor:
1 × 8.77 = 8.77 milligrays
So 1 roentgens = 8.77 milligrays.
Quick check: 8.77 ÷ 8.77 = 1 roentgens
Example Conversions
Example 1: 1 R = 8.77 mGy
1 × 8.77 = 8.77
1 × 8.77 = 8.77
Example 2: 5 R = 43.85 mGy
5 × 8.77 = 43.85
5 × 8.77 = 43.85
Example 3: 10 R = 87.7 mGy
10 × 8.77 = 87.7
10 × 8.77 = 87.7
Roentgens to Milligrays Table
| Roentgens | Milligrays |
|---|---|
| 1 R | 8.77 mGy |
| 2 R | 17.54 mGy |
| 5 R | 43.85 mGy |
| 10 R | 87.7 mGy |
| 20 R | 175.4 mGy |
| 25 R | 219.25 mGy |
| 50 R | 438.5 mGy |
| 100 R | 877 mGy |
| 250 R | 2192.5 mGy |
| 500 R | 4385 mGy |
| 1000 R | 8770 mGy |
1 Roentgen in Other Units
| Unit | 1 R = |
|---|---|
| Roentgens to Sieverts | 0.00877 Sv |
| Roentgens to Millisieverts | 8.77 mSv |
| Roentgens to Microsieverts | 8770 μSv |
| Roentgens to Rems | 0.877 rem |
| Roentgens to Millirems | 877 mrem |
| Roentgens to Grays | 0.00877 Gy |
| Roentgens to Milligrays | 8.77 mGy |
| Roentgens to Rads | 0.877 rad |