Exponential Growth Decay CalculatorBy Daniel Sir / September 13, 2026 Exponential Growth & Decay A(t) = A₀ × b^t | Doubling time, Half-life Initial Amount A₀:Growth Factor b (e.g., 2 for doubling, 0.5 for halving):Time t (units):Calculate Results A(t) = Doubling Time T_d = log(2)/log(b) = units