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Exponential Growth Calculator

Calculate exponential growth and decay — with doubling time, half-life, continuous compounding, step-by-step breakdowns, and an interactive growth curve.

A(t) = A₀ × e^(rt)  ·  Doubling time = ln(2) ÷ r  ·  Works for growth and decay

Solve Mode

Choose which variable to calculate

Context (optional)

Label and units for clearer output

Formula Type

Continuous or discrete compounding

Quick Presets

Classic exponential growth and decay scenarios

Answer

Final Value
—
—
Initial A₀—
Rate r—
Time t—
Doubling Time—
Half-Life—
Growth Factor—

Formula Reference

ContinuousA₀·e^(rt)
DiscreteA₀·(1+r)^t
Doublingln(2)/r
Half-lifeln(0.5)/r
Rate from 2ptsln(A/A₀)/t