CAGR Calculator
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Rule of 72 (Years to Double)
Rule Of72
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