The payback period is calculated by counting the number of years it will take to recover the cash invested in a project.

Let’s assume that a company invests $400,000 in more efficient equipment. The cash savings from the new equipment is expected to be $100,000 per year for 10 years. The payback period is 4 years ($400,000 divided by $100,000 per year).

A second project requires an investment of $200,000 and it generates cash as follows: $20,000 in Year 1; $60,000 in Year 2; $80,000 in Year 3; $100,000 in Year 4; $70,000 in Year 5. The payback period is 3.4 years ($20,000 + $60,000 + $80,000 = $160,000 in the first three years + $40,000 of the $100,000 occurring in Year 4).

Note that the payback calculation uses cash flows, not net income. Also, the payback calculation does not address a project’s total profitability. Rather, the payback period simply computes how fast a company will recover its cash investment.

Learn more about Evaluating Business Investments.

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About the Author: Harold Averkamp (CPA) has worked as an accountant, consultant, and university accounting instructor for more than 25 years.

He is the creator of the AccountingCoach Pro which has been praised for its ability to simplify accounting in a way that anybody can understand.

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