01Getting started
Welcome to the Payback Period Calculator!
We have developed this tool to help you easily calculate the time period in which you will be able to recover your initial investment in any business venture. The calculator relies simply on knowing the amount that you invested, along with the annual cash inflow. Once you enter these details, you can quickly find out the exact months or years that it will take for you to break even.
- Initial investment The amount you put in at the start.
- Annual cash inflow The cash the investment brings in each year.
- Discount rate (optional) Only for discounted payback.
02Step by step
How to Use Our Simple Payback Period Calculator?
On top of being accurate, our calculator is super easy to use. Here are the steps that you can follow to find out your payback timeframe based on your investment. There are two main modes: the simple default mode, and the discounted mode that is used to calculate discounted payback.
For Simple Payback Period Calculation
Let’s cover the steps for the simple default method first.
- Open the Payback Period Calculator at the top of this page and keep the Simple tab selected.
- Select the Currency from the provided options (USD, EUR, PKR, GBP, INR, etc.) or choose Custom to add your own.
- Enter the Initial Investment in the provided field. Click on the field and use the numpad or number row on your keyboard to type the amount.
- Next, enter the Annual Cash Inflow.
- Click the Calculate Payback Period button. The results are provided instantly, and you can copy them to your clipboard using the Copy button.
For Advanced (Discounted) Payback Calculation
Our tool also acts as a discounted payback period calculator. Open the Discounted tab, enter your investment and annual inflow, then:
- Specify the Discount Rate as an annual percentage. It adjusts future cash inflows for the time value of money, such as inflation, risk and the return you expect.
- Specify the Max Years to Evaluate (up to 50). The results will not provide details for more years than the number specified here.
- Click Calculate Payback Period to see the discounted recovery time and the year-by-year breakdown.
More ways to calculate
03Reading your result
Understanding the Results Provided by the Calculator
There are a few different details that you will see in the results provided by our payback period calculator. Here is an explanation for them:
- Investment
- This field shows your initial investment.
- Annual inflow
- This field shows the annual cash inflow, as specified by you.
- Cash flow return rate
- The yearly inflow as a percentage of your investment. For instance, a $2,000 inflow on a $20,000 investment is 10%.
- Formula
- This field shows the formula used to calculate the payback period, with your numbers.
- Payback period
- The exact time after which you will completely recover your investment, e.g. 3.33 years (about 3 years 4 months).
- Year-by-year table
- A detailed breakdown showing the inflow, the remaining amount each year, and the discounted cash flow (if applicable).
04Calculation methods
What Formulae Does Our Payback Period Calculator Utilize?
The calculator uses standard capital budgeting formulas. Pick the one that matches your cash flows.
Simple Payback Period Formula
Payback Period = Initial Investment ÷ Annual Cash Inflow
For example, a $20,000 investment that produces $4,000 per year has a simple payback period of five years.
Discounted Cash Flow Formula
Discounted Cash Flow = Cash Flow ÷ (1 + Discount Rate)n
Here n is the year number. The calculator discounts each future annual inflow before adding it up.
Discounted Payback Period Formula
Discounted Payback = Years Before Recovery + (Unrecovered Amount ÷ Next Year’s Discounted Cash Flow)
The discounted inflows are added until the cumulative total equals or exceeds the initial investment.
Uneven Cash Flow Formula
Payback = Years Before Recovery + (Unrecovered Amount ÷ Next Year’s Cash Flow)
Used when the inflow changes from year to year, so a single division is not enough.
05Worked example
Simple vs Discounted Payback: A Quick Example
Say you invest $20,000 in new equipment that saves $6,000 every year. Here is how the two methods compare at an 8% discount rate:
| Simple payback | Discounted payback (8%) | |
|---|---|---|
| Result | 3.33 years | 4.03 years |
| About | 3 years 4 months | 4 years |
| Time value of money | Ignored | Included |
| Best for | Short-term, quick checks | Long-term investments |
The discounted result is longer because money received in later years is worth less today.
06Why use it
Useful Features of Our Payback Period Calculator
Here are some of the useful features that our calculator offers.
Multiple currency options
There are multiple currencies that you can choose from when adding the investment and cash inflow amounts. The currencies are used only for display, but they help you keep your data consistent. For instance, if all of your data is in EUR, you can pick that currency so there is no confusion later on.
Advanced mode for discounted payback
The discounted payback option lets you calculate the payback period on your investment while adjusting it for inflation and the time value of money. It is especially useful if the investment is substantial and recovering it is expected to take several years.
Instant, real-time results
There are no long loading processes or redirects when you’re using our tool. Results update as you type, and clicking the button after specifying the amounts gives you the full breakdown instantly.
Quick copy option
If you want to copy the results, you don’t have to select text or use the Ctrl + C shortcut. Just click the Copy button in the results panel, and everything is instantly copied to your device’s clipboard.
Table view for year-by-year breakdown
The table helps you understand your investment returns year by year: how much money you make back each year and how much is left to recover. It can be generated for as many as 50 years and, after recovery, shows the profit in later years too.
Uneven cash flows and project comparison
Enter a different inflow for every year, or compare two projects side by side to see which one pays you back first.
Completely free to use
Our payback period calculator is completely free. There is no subscription or payment, and you can use it as many times as you want without any limits.
No sign-up or registration needed
You don’t need to sign up to use this calculator. There is no need to provide an email or a password to get access. It’s free and fully accessible.
07Questions
Payback Period Calculator FAQs
What is needed to calculate the payback period?
All you need to calculate the payback period is your initial investment and the cash inflows per year. These two details will help you make the calculation.
What is the formula used for calculating the payback period?
The simple formula used for calculating the payback period is Initial investment ÷ Annual cash inflow. This division provides the number of years after which the investment will be recovered.
However, for discounted payback period calculation, a different, slightly more complex formula is used. Each year’s cash inflow is first discounted, and the discounted amounts are added until they cover the initial investment.
Should I use the discounted payback period calculation or the simple method?
It depends. If your investment is long-term and will be affected by inflation, it’s better to use the discounted method so that you can gain a realistic idea of when you will recover the initial amount.
However, if your investment is short-term and will not be affected by inflation too significantly, you can use the simple method.
Does the currency choice change the calculation?
No. The currency is used only for display, so the payback period stays the same whichever currency you pick. It simply keeps your figures clear and consistent.
What happens if the investment is not recovered within the selected years?
The calculator tells you that the investment is not recovered in that time and shows how much is still left to recover. You can increase the Max Years to Evaluate (up to 50) to see when, or if, it breaks even.