Raioactive Decay Calculator

Use our free radioactive decay calculator to calculate the decay rate of your isotope.

Initial Amount: Ci mCi uCi nCi
Select Isotope: 3H
14C
35S
32P
33P
125I
 
Month Day Year
Reference Date:
/ /
Current Date:
/ /
Enter year 2000 dates and later using 4 digits.


The Current Amount
Lamda Value
Time Elapsed (in Days)
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