Most of us like to know the length of time it will take our investment to grow. We want all the numbers: estimates, figures, how old we will be when it’s doubled, etc. Some things in life are just hard to know because there are no guarantees.
But with the Rule of 72, you always know the number of years it takes to double an investment. The Rule of 72 will tell you a lot about the money you invest. Thanks to the Rule of 72, the table below tells us how many years it will take an initial $10,000 investment to double, depending on the rate of return.