You can track how long it takes to double your investment if you deposit money at a specific interest rate. For interest rates that fall between the rates in the chart, remember that the time will fall in between also.
| Interest Rate Compounded Quarterly | Amount of Time Needed to Double |
|---|---|
| 2% | ª 34.7 years |
| 3% | ª 23.2 years |
| 4% | ª 17.4 years |
| 5% | ª 13.9 years |
| 6% | ª 11.6 years |
| 7% | ª 10.0 years |
| 8% | ª 8.8 years |
| 9% | ª 7.8 years |
| 10% | ª 7.0 years |
| 11% | ª 6.4 years |
| 12% | ª 5.9 years |
| 13% | ª 5.4 years |
| 14% | ª 5.0 years |
| 15% | ª 4.7 years |