Radiation Unit Converter
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Radiation dose is measured in several units. Sieverts (Sv) and rem measure biological equivalent dose. Gray (Gy) measures absorbed energy. mSv and mrem are common sub-units in medicine.
- 11 Sv = 100 rem
- 21 mSv = 0.1 rem = 100 mrem
- 31 Gy = 1 J/kg absorbed energy
- 4Effective dose = Absorbed dose × radiation weighting factor
1 mSv (typical annual background)=0.1 rem = 100 mrem
| Source | Dose |
|---|---|
| Chest X-ray | ~0.1 mSv |
| Transatlantic flight | ~0.1 mSv |
| Annual background (average) | ~2.4 mSv/yr |
| CT scan (abdomen) | ~5–10 mSv |
| Worker annual limit (ICRP) | 20 mSv/yr |
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