CAGR Calculator
Rule of 72 (Years to Double)
At % annual growth
Value Growth Over Time
1
Formula: CAGR = (Ending Value / Beginning Value)^(1 / Years) − 1
2
CAGR = ($ / $)^(1 / ) − 1 = = %
1
Formula: Ending Value = Beginning Value × (1 + CAGR)^Years
2
Ending = $ × (1 + )^ = $
1
Formula: Years = log(Ending / Beginning) / log(1 + CAGR)
2
Years = log($ / $) / log(1 + ) =
3
Rule of 72: Years to double ≈ 72 / CAGR% = 72 / = years