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Radioactive Decay Calculator
Use our radioactive decay calculator to calculate the decay rate of your isotope.
Initial Amount:
Ci
mCi
uCi
nCi
Select Isotope
:
3
H
14
C
35
S
32
P
33
P
125
I
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)
