Quickly estimate how long it will take for your investment to double with our easy-to-use Rule of 72 Calculator.
The Rule of 72 is a simple formula used to estimate the number of years required to double the value of an investment at a fixed annual rate of return.
The formula is:
Years to Double = 72 / Interest Rate (%)
The calculator will provide a quick estimation, but remember that it assumes a fixed rate of return. Actual investment growth can vary due to market conditions.
The Rule of 72 formula is straightforward:
Years to Double = 72 / Interest Rate (%)
For example, if your expected annual interest rate is 8%, the calculation would be:
72 / 8 = 9 years
This means it would take approximately 9 years for your investment to double at an 8% interest rate.
The Rule of 72 is a quick and easy way to estimate how long it will take for an investment to double in value based on a fixed annual interest rate.
The Rule of 72 provides a rough estimate, but it may not be completely accurate, especially for very high or low interest rates. It is most accurate for interest rates between 6% and 10%.
Yes, the Rule of 72 can be applied to any situation where something grows at a compound rate, such as population growth, inflation, or the decay of radioactive materials.