How do you find the interest rate using the Rule of 72?

How do you find the interest rate using the Rule of 72?

Using the Rule of 72, you can easily determine how long it will take to double your money. To figure out what interest rate to look for, use the same basic formula, but run it backward: divide 72 by the number of years. So if you want to double your money in about 6 years, look for an interest rate of 12%.

How do you calculate Rule of 72?

The Rule of 72 is a calculation that estimates the number of years it takes to double your money at a specified rate of return. If, for example, your account earns 4 percent, divide 72 by 4 to get the number of years it will take for your money to double.

How long will it take to double $1000 at 6% interest?

For example, if the interest rate earned is 6%, it will take 12 years (72 divided by 6) for your money to double. If you want your money to double every 8 years, you will need to earn an interest rate of 9% (72 divided by 8).

How long does it take to double $1000 at 12%?

If you earn 12% on average, this rule calculates that your money doubles in 72/12 = six years. If you earn on average 8%, your investment should double in approximately 72/8 = nine years.

Where is the Rule of 72 most accurate?

Variations on the Rule of 72 Variations on the rule also tend to get used because the rule of 72’s accuracy is best limited to a small number of low rates of return. It’s most accurate at an 8% interest rate, with 6-10% being its most accurate window.

What is Rule 72 of doubling period?

The Rule of 72 is a simple way to determine how long an investment will take to double given a fixed annual rate of interest. By dividing 72 by the annual rate of return, investors obtain a rough estimate of how many years it will take for the initial investment to duplicate itself.

Can you explain Rule 72 & Rule 69?

Just like Rule of 69, there Rule of 72. However, the rule of 72 comes in handy in case of non-continuously or simple compounding interest. Also, it is useful when the interest rate is relatively low….Rule of 72 vs. Rule of 69.