EQM Ingrowth Calculator

Using this page you can calculate and visualize the decay and ingrowth of parent/daughter isotopes.
Initial Parent Activity (Bq):


Initial Daughter Activity (Bq):


Parent Half Life (Hours):


Daughter Half Life (Hours):


Elapsed time (Hours):


Activity of Parent:

Activity of Daughter:

Max Time (hours):




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Once the graph is plotted the data should show here in csv form for copy and pasting.