Payback Period Calculator

Calculate simple and discounted payback period for business investments.

$
Cash Flow Type
$/yr
%

Simple Payback

3.3 years

Discounted Payback

4.0 years

Profitability Index

2.95

Simple Payback Timeline

Initial Investment$100,000.00
Year 1$30,000.00 (cumulative: $30.0K)
Year 2$30,000.00 (cumulative: $60.0K)
Year 3$30,000.00 (cumulative: $90.0K)
Year 4$30,000.00 (cumulative: $120.0K)
Year 5$30,000.00 (cumulative: $150.0K)
Break-EvenYear 3.3

Investment Metrics

Net Present Value (NPV)$194,544.42
Profitability Index2.95
DecisionInvest (NPV > 0)

Use the Payback Period Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.

Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.

How It Works

Our Payback Period Calculator helps you quickly determine how long it will take for an investment to generate enough cash flow to cover its initial cost. This is a crucial metric for evaluating the financial viability of projects, especially when considering new equipment purchases, marketing campaigns, or even a new office space in 2026.

The Simple Payback Period is calculated by dividing the initial investment by the annual cash inflow. The Discounted Payback Period considers the time value of money by discounting future cash inflows using a specified discount rate, providing a more accurate picture of when the investment truly breaks even in today's dollars.

Remember that the payback period doesn't account for profitability after the initial investment is recovered, nor does it consider the project's overall lifespan. A common mistake is relying solely on simple payback without considering the impact of inflation and the cost of capital, especially for long-term investments in 2026.

Example: New Software Implementation

  1. 1 Input: A company invests $75,000 in new CRM software in January 2026. The software is expected to generate annual cash savings of $25,000. For the discounted payback, a discount rate of 8% is used.
  2. 2 Calculate: For simple payback, $75,000 / $25,000 = 3 years. For discounted payback, we calculate the present value of each year's $25,000 cash inflow until the cumulative discounted cash flow equals the initial investment.
  3. 3 Result: The simple payback period is 3 years. The discounted payback period, considering an 8% discount rate, is approximately 3.4 years.
  4. 4 Context: This means the company will recover its initial investment in the CRM software within 3 years on a simple basis, or slightly over 3 years when accounting for the time value of money. This information helps in comparing this investment against other potential projects and understanding its short-term financial impact.

Source: SBA — Business Guide · Last updated: April 2026

Frequently Asked Questions

What is a payback period?
The payback period is the time it takes for an investment to recoup its initial cost from cash flows. If a $50,000 equipment purchase generates $15,000 in annual savings, the simple payback period is 3.3 years. Shorter payback periods indicate lower risk.
What is a good payback period for a business investment?
It depends on the industry and investment type. Generally, 3-5 years is acceptable for most business investments. Technology investments often require 1-3 years due to rapid obsolescence. Real estate and infrastructure may accept 7-10+ years. Many companies set a maximum payback period as a hurdle rate.
What is the difference between simple and discounted payback?
Simple payback ignores the time value of money. Discounted payback factors in a discount rate, making future cash flows worth less. Discounted payback is always longer than simple payback and gives a more accurate picture of when you truly recover your investment in real terms.