To convert rems to millirems, multiply by 1000.
The calculation uses 1 rem = 1000 mrem. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
The formula
rem- Input unit: rems
mrem- Output unit: millirems
How to use this calculator
- Enter a value in rem.
- Multiply by the stored conversion factor.
- Read the result in mrem; divide by the same factor to convert back.
Worked examples
Worked conversion
1 rem × 1000 ≈ 1000 mrem.
Reverse conversion
1000 mrem ÷ 1000 ≈ 1 rem. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 1000 mrem per rem.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
rem to mrem table
| rem | mrem (rounded) |
|---|---|
| 0 | 0 |
| 1 | 1000 |
| 2 | 2000 |
| 5 | 5000 |
| 10 | 10000 |
| 100 | 100000 |