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tool.radioactivity-converter Calculator
Converts between becquerel, curie, kilobecquerel, and megabecquerel for radioactivity measurements. Medical nuclear imaging doses are prescribed in MBq; older literature uses Ci — a 37 GBq = 1 Ci conversion that most practitioners look up every time.
Inputs
Value
Reference formula or conversion factor shown for context.
From Unit
Reference formula or conversion factor shown for context.
Results
activity (Bq)
Rate of radioactive decay events per second (becquerels or curies). Decreases exponentially with time.
Curie (Ci)
Reference formula or conversion factor shown for context.
millicurie (mCi)
Reference formula or conversion factor shown for context.
microcurie (µCi)
Reference formula or conversion factor shown for context.
disintegrations per minute
The proportional relationship between two quantities.
1 Ci = 3.7×10¹⁰ Bq
Reference formula or conversion factor shown for context.