Radiation Dose Converter
Convert between Sievert, millisievert, microsievert, rem, and millirem instantly.
Type in any field and the others update automatically.
Type in any field — the others update instantly.
All radiation dose conversions use Sieverts (Sv) as the base unit.
Metric prefixes:
- 1 Sv = 1,000 mSv (millisieverts)
- 1 Sv = 1,000,000 µSv (microsieverts)
Legacy unit (rem):
- 1 rem = 0.01 Sv (10 mSv)
- 1 mrem = 0.00001 Sv (10 µSv)
- 1 Sv = 100 rem
Common references:
- Average annual background radiation: about 2.4 mSv
- Chest X-ray: about 0.02 mSv (2 mrem)
- CT scan: about 2–10 mSv