The Rule of 72

Albert Einstein once said, “The most powerful force in the universe is compound interest.” His discovery of relativity was not the only thing he discovered, he also discovered the Rule of 72. This rule is the building block that every investor needs to have.
This rule will allow you to decide the following things: the amount of years it will take to double your money and at which interest rate do you avail so your money will double quickly.
In other words, 72 divided by the interest rate return equals the amount of years for your money to double. For example, if you deposit 100,000.00 in a bank account, in 72 years it will become 200,000.00 and this is because the bank only offers 1% interest.
So you can understand that the higher the interest rate, the sooner or less years it will take to double your money. This math has more accuracy with the lower interest rates than with the higher ones. If you want to know this as triple, then you use the Rule of 115 instead.