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Medical Radiation Calculator
Estimate effective radiation dose and background radiation equivalence
Radiology Guidelines: This tool estimates the effective radiation dose (in millisieverts, mSv) for common diagnostic medical imaging procedures and compares them to natural background radiation (~3 mSv/year). Select your examination below.
Imaging Examination Input
Calculation Results
⚠️ Not medical advice. For radiology, health physics, and clinical reference only. Diagnostic imaging necessity, radiation safety, and justification must be evaluated and supervised strictly by a qualified physician or radiologist.