Equivalent & Effective Dose
Convert absorbed dose in grays to equivalent dose in sieverts using radiation weighting, and to effective dose using an organ weighting factor, free online.
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Equivalent dose H = absorbed dose D × radiation weighting factor w_R (photons and electrons 1, protons 2, alpha particles 20, neutrons 2.5–20 by energy). Effective dose E = Σ w_T · H_T, where tissue weighting factors (ICRP 103) include lung 0.12, red marrow 0.12, breast 0.12, thyroid 0.04, skin 0.01. 1 Sv = 100 rem.