How do you annualize a cumulative number?

FinanceMoney ManagingPersonal Money ManagementHow to Convert Simple Returns on Equity to Annualized ReturnsHow to Convert Simple Returns on Equity to Annualized ReturnsBy: Mark Ken

How do you annualize a cumulative number?
  1. Finance
  2. Money Managing
  3. Personal Money Management
  4. How to Convert Simple Returns on Equity to Annualized Returns

How to Convert Simple Returns on Equity to Annualized ReturnsBy: Mark Kennan

The higher the return on equity for a stock, the more money the company generates per $1 invested.

The higher the return on equity for a stock, the more money the company generates per $1 invested.

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  • 1. How to Calculate the Average Yield on Investments
  • 2. How to Compute the Holding Period Return on an Investment
  • 3. How do I Calculate ROI on Mutual Funds?

The simple return on equity refers to the total income divided by the total shareholders' equity over any specified period of time. For example, you use the simple return on equity to find the overall growth rate during the time you held a stock, but because of compounding, you can't simply divide the total return on equity by the number of years you held the investment. Compounding refers to the fact that as returns are added to an account, those returns then begin to generate additional returns, increasing the growth.Step 1

Divide the simple return by 100 to convert it to a decimal. For example, if your return on equity over the five-year life of the investment is 35 percent, divide 35 by 100 to get 0.35.Step 2

Add 1 to the result. In this example, add 1 to 0.35 to get 1.35.Step 3

Divide 1 by the number of years you held the investment. For example, if you held the investment for five years, divide 1 by 5 to get 0.2.Step 4

Raise the Step 2 result to the power of the Step 3 result. In this example, raise 1.35 to the 0.2 power to get 1.0619.Step 5

Subtract 1 from the result to calculate the annualized return as a decimal. In this example, subtract 1 from 1.0619 to get 0.0619.Step 6

Multiple the result by 100 to calculate the annualized return expressed as a percentage. Completing the example, multiply 0.0619 by 100 to get 6.19 percent.

References

  • University of Arizona: Compound Interest

Tips

  • A calculator is significantly helpful when calculating powers. Usually, the power function on a calculator is shown as "^" or "x^y."

Writer Bio

Based in the Kansas City area, Mike specializes in personal finance and business topics. He has been writing since 2009 and has been published by "Quicken," "TurboTax," and "The Motley Fool."

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How to Figure the Percentage Yield on Mutual Funds

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