Calculate return on investment, annualized returns, and how quickly your money doubles.
Total ROI
+50.00%
Annualized
+14.47%
Net Gain
+$5K
Double in
5.0 yrs
Rule of 72: At 14.5% annual return, your investment doubles every 5.0 years.
Return on Investment (ROI) measures the gain or loss from an investment relative to its cost. Total ROI = (Final − Initial) ÷ Initial × 100. Annualized ROI adjusts for time, allowing fair comparison across different holding periods.
Divide 72 by your annual return rate to estimate how many years it takes to double your investment. At 8% annual return, money doubles in approximately 9 years (72 ÷ 8).
Numeryfi AI
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