Payback Period Calculator
How long until an investment pays for itself.
See how it works
Watch a quick simulation of this tool in action — no file needed.
How to use Payback Period Calculator
Follow these steps — everything happens instantly in your browser.
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Step 1. Enter the initial investment amount.
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Step 2. Enter the expected annual cash inflow.
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Step 3. See the payback period in years and months.
Why use this tool
Frequently asked questions
Everything you might want to know about payback period calculator.
NPV Calculator
Net Present Value of an investment with cash flows and discount rate.
IRR Calculator
Internal Rate of Return — the discount rate that makes NPV = 0.
ROI Calculator
Total and annualized return on any investment.
Break-Even Calculator
Find the sales volume where revenue equals costs.