Converter

Unit Guide

Sievert (Sv)

Standard unit for equivalent dose (biological risk).

1 Sv = 1000 mSv = 100 rem

Gray (Gy)

Unit for absorbed dose (energy deposited).

1 Gy = 100 rad

rem

Older US unit for equivalent dose.

1 rem = 10 mSv = 0.01 Sv
Note: For X-rays and Gamma rays, 1 Gy ≈ 1 Sv (Weighting factor = 1).
Medical Disclaimer: This tool is provided for educational and informational purposes only. Results are estimates based on typical values and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for specific medical concerns.