Calculating the discounted payback period in Excel involves using the Net Present Value (NPV) formula to determine how long it will take for an investment to pay back its initial cost, accounting for the time value of money. This guide will walk you through creating a simple Excel spreadsheet to calculate the discounted payback period step-by-step.
Step-by-Step Tutorial on How to Calculate Discounted Payback Period in Excel
This tutorial will guide you through creating a spreadsheet in Excel to calculate the discounted payback period. By the end, you will know how to set up your cash flow data, apply the discount rate, and determine when your investment is fully paid back.
Step 1: Open a New Excel Spreadsheet
First, open Microsoft Excel and create a new blank spreadsheet.
Ensure you have a blank canvas to work on. This will make it easier to input your data and formulas without any distractions.
Step 2: Input Cash Flow Data
In column A, list the years of your investment. In column B, input the cash flows for each corresponding year.
For example, if you’re analyzing a 5-year investment, you might have years 0 to 5 in column A and the respective cash flows in column B.
Step 3: Input Discount Rate
Choose a cell to input your discount rate (e.g., cell E1) and label it.
The discount rate is crucial as it reflects the time value of money. It represents the rate of return you could expect from an alternative investment.
Step 4: Calculate Discounted Cash Flows
In column C, use the formula =B2/(1+$E$1)^A2 to calculate the discounted cash flow for each year.
This formula applies the discount rate to each cash flow, adjusting for the time value of money. Copy the formula down the column to apply it to all cash flows.
Step 5: Calculate Cumulative Discounted Cash Flows
In column D, use the formula =SUM($C$2:C2) for the cumulative discounted cash flow for each year.
This step involves summing the discounted cash flows up to that year. It helps determine how long it takes to reach the break-even point.
Step 6: Identify the Payback Period
Identify the first year where the cumulative discounted cash flow becomes positive or zero.
This is your discounted payback period. It indicates the time it takes for the investment to repay its initial cost, accounting for the discount rate.
After completing these steps, your spreadsheet will show the year when your investment is fully paid back in present value terms, giving you a clear understanding of the discounted payback period.
Tips for Calculating Discounted Payback Period in Excel
- Double-check Formulas: Ensure your formulas are correct and consistent across the spreadsheet.
- Label Clearly: Use clear labels for each column and data input to make the spreadsheet easy to read.
- Use Cell References: Always use cell references in your formulas to make updates and changes easier.
- Visual Aids: Consider adding a chart to visually represent the cash flows and cumulative totals.
- Save Frequently: Regularly save your work to avoid losing any data due to unforeseen issues.
Frequently Asked Questions
What is the discounted payback period?
The discounted payback period is the time it takes for an investment to repay its initial cost, considering the time value of money.
Why use the discounted payback period?
It gives a more accurate measure of investment recovery time by accounting for the time value of money, unlike the simple payback period.
How do I choose a discount rate?
The discount rate can be based on the expected rate of return from alternative investments or the cost of capital.
What if my cumulative discounted cash flow never becomes positive?
This means your investment does not pay back its initial cost within the analyzed period, indicating it may not be profitable.
Can I use Excel for more complex financial analyses?
Yes, Excel is a powerful tool for various financial analyses, including NPV, IRR, and more complex investment evaluations.
Summary
- Open a New Excel Spreadsheet: Start with a blank canvas.
- Input Cash Flow Data: List years and corresponding cash flows.
- Input Discount Rate: Set your discount rate in a cell.
- Calculate Discounted Cash Flows: Apply the discount rate using a formula.
- Calculate Cumulative Discounted Cash Flows: Sum the discounted cash flows up to each year.
- Identify the Payback Period: Find the first year with a non-negative cumulative discounted cash flow.
Conclusion
Calculating the discounted payback period in Excel is a valuable skill for anyone involved in investment analysis. By following the steps outlined above, you can create a detailed and functional spreadsheet to analyze the profitability and risk of potential investments. This method provides a clear picture of when an investment will start to generate returns, considering the time value of money.
If you’re interested in further enhancing your financial analysis skills, there are plenty of resources available online, including tutorials on more advanced Excel functions and financial modeling techniques. Remember, practice makes perfect, so don’t hesitate to experiment with different scenarios and discount rates to deepen your understanding.
So, fire up Excel and start analyzing!

Matt Jacobs has been working as an IT consultant for small businesses since receiving his Master’s degree in 2003. While he still does some consulting work, his primary focus now is on creating technology support content for SupportYourTech.com.
His work can be found on many websites and focuses on topics such as Microsoft Office, Apple devices, Android devices, Photoshop, and more.