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Radioactivity
Activity
activity of radioactive material at time point t
A =
Bq
x
Bq
kBq
MBq
GBq
TBq
PBq
EBq
Ci
initial activity
A
0
=
Bq
x
Bq
kBq
MBq
GBq
TBq
PBq
EBq
Ci
decay coefficient
λ =
1/s
x
1/s
time
t =
s
x
ps
ns
μs
ms
s
min
h
d
y
1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"
