Half-Life Calculator

Half-Life Calculator

Initial Quantity (N(0)):

Half-Life Time (T): seconds (sec) minutes (min) hours (hrs) days (days) weeks (wks) months (mos) years (yrs)

Total Time (t): seconds (sec) minutes (min) hours (hrs) days (days) weeks (wks) months (mos) years (yrs)

Remaining Quantity (N(t)):

Result

Decay Constant (λ):

Mean Lifetime (τ):