Equivalent Dose Converter

Convert between all equivalent and effective radiation dose units instantly. Select your units from the dropdowns below and enter a value to see the conversion in real-time.

SI unit: sievert (Sv)

Conversion Formula

About Equivalent Dose Units

Common Equivalent Dose Conversions

• 1 Sv = 100 rem = 1 J/kg (exact, SI definition for equivalent dose)
• 1 rem = 0.01 Sv = 1 cSv (exact; note: 1 rem = 1 cSv numerically - used in US radiation protection)
• 1 mSv = 100 mrem  |  1 µSv = 0.1 mrem
• Worldwide average background: ~2.4 mSv/year  |  US average: ~3.1 mSv/year
• Occupational limit (ICRP 103): 20 mSv/year  |  NRC (US): 50 mSv/year (5 rem/year)
• CT abdomen: ~10 mSv  |  Chest X-ray: ~0.1 mSv  |  Transatlantic flight: ~0.08 mSv

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