Radioactive Decay Calculator

A radioactive decay calculator showing current activity updated in real time

A simple calculator to calculate radioactive decay for a variety of radionuclides. Activities may be entered in Bq or Ci and conversions between these units is possible within the app. Many common radionuclides, especially those used in Nuclear Medicine and Positron Emission Tomography (PET), are predefined in the app. Users may add and save additional radionuclides and define the half-life.

The decay calculator allows the user to enter a radionuclide, reference date and reference time. The current activity is displayed and updated for radioactive decay in real time. In addition, a specified date and time can be entered and the decay corrected activity at this time will also be shown.

Users working in Nuclear Medicine departments and Radiopharmacy labs will find this decay calculator useful.

Please Note: This calculator is provided as is, without any guarantees or warranty. Although the author has tested the application and believes it to be accurate, the author is not liable for any damage or losses of any kind caused by the use or misuse of this application.

KEY FEATURES

• Real time calculation of radioactive decay and display of current activity

• Calculation of activity at a specified date and time

• Database of radionuclides commonly used in Nuclear Medicine (Co-57, Cr-51, Cs-137, Ga-67, I-123, I-131, In-111, Lu-177, Mo-99, P-32, Ra-223, Se-75, Sm-153, Sr-89, Tc-99m, Tl-201, Y-90) and Positron Emission Tomography (C-11, Cu-64, F-18, Ga-68, Ge-68, N-13, O-15, Rb-82)

• Add new radionuclides

• Edit user defined radionuclides

• Convert between Becquerels and Curies

Please report any bugs to the author.