Compound Growth Calculator
Calculate compound growth over time. Model population growth, investment returns, or any exponential increase.
%
Final Val
1,628.89
Total Gain628.89
Multiplier1.628895
Doubling Time14.4
Compound Growth
Formula
Final = Initial × (1 + r)^n
where r is the growth rate per period and n is the number of periods.
Rule of 72
To estimate doubling time: Periods ≈ 72 / rate(%)
At 6% growth, doubling takes approximately 72/6 = 12 periods.
Example Calculation
1000 growing at 5% per year for 10 years.
- 01Final = 1000 × (1.05)^10
- 02= 1000 × 1.6289
- 03= 1628.89
- 04Total gain = 628.89
- 05Doubling time ≈ 72/5 = 14.4 years
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