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Radiation Activity Decay Calculator

Click here for radiation units conversions.
Units conversion runs on Java-enabled browsers
PC: Internet Explorer 5.5 or higher and Netscape 4.08 or higher
Mac: Internet Explorer 5.0, IE5.1.4 or higher (IE5.1 will not work because of a bug.)
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Radioactiviy and Exposure Units Conversions

Radioactivity Units: measures of radiation acitivity.

  • Curie
  • microcurie
  • Disintegrations/minute (DPM)
  • Becquerel (Bq)
  • Disintegrations/second

    37 GBq = 37 billion Bq = 1 curie

    1 microCurie mCi = 2,220,000 dpm

    Decay calculation

    Initial Activity / Final Activity = e - ln2 * t / t1/2 .

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