Initial Dose
mrem
rem
Radiation Dose
R/(mCi*h)
centimeters
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feet
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months
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hours
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Duration
Start Time
Distance
Radionuclide
Exposure Rate
Effective Half-Life
Biological Half-Life
Physical Half-Life
mCi
MBq
Ag-111
Au-198
Co-60
Cr-51
Cs-137
Cu-64
Cu-67
F-18
Ga-67
I-123
I-125
I-125 implant
I-131 Non-thyroid
I-131 Thyroid
In-111
Ir-192 implant
P-32
Pd-103 implant
Re-186
Re-188
Sc-47
Se-75
Sm-153
Sn-117m
Sr-89
Tc-99m
Tl-201
Y-90
Yb-169
Radiation Dose Calculator
Please change the biological half-life according to your estimate.