# How do you calculate doubling time of an investment compounded continuously?

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## How long will it take to double an investment compounded continuously?

The result is the number of years, approximately, it’ll take for your money to double. For example, if an investment scheme promises an 8% annual compounded rate of return, it will take approximately nine years (72 / 8 = 9) to double the invested money.

## How do you calculate doubling time of an investment?

The rule is a shortcut, or back-of-the-envelope, calculation to determine the amount of time for an investment to double in value. The simple calculation is dividing 72 by the annual interest rate.

## How do you find the exact doubling time?

Doubling time is the amount of time it takes for a given quantity to double in size or value at a constant growth rate. We can find the doubling time for a population undergoing exponential growth by using the Rule of 70. To do this, we divide 70 by the growth rate (r).

## How do you calculate APY compounded continuously?

Annual percentage yield (APY) for continuous compounding: APY = eAPR − 1. Remark: In the above cases, n = 1 for annually, n = 4 for quaterly, n = 12 for monthly, n = 365 for daily.

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## How often is compounded continuously?

Continuously compounded interest is the mathematical limit of the general compound interest formula with the interest compounded an infinitely many times each year. Consider the example described below. Initial principal amount is \$1,000. Rate of interest is 6%.

## How do you write doubling time equation?

Doubling time formula

doubling time = log(2) / log(1 + increase) , where: increase is the constant growth rate expressed as a percentage value, doubling time is the time needed for the quantity to double in value for a specified constant growth rate.

## How long in years and months will it take for an investment to double at 6% compounded monthly?

The annual percentage yield on 6% compounded monthly would be 6.168%. Using 6.168% in the doubling time formula would return the same result of 11.58 years.