Payback Period Calculator
Find out how long it takes to recover an investment from its cash flows. Essential for capital budgeting decisions.
Payback Period Formula
The payback period tells you how many years it takes for cumulative cash inflows to equal the initial cost. It's one of the simplest and most-used capital budgeting metrics.
Limitations of Payback Period
The basic payback period ignores the time value of money and cash flows after the payback point. A project that pays back in 2 years then earns nothing is treated equally to one that pays back in 2 years and then earns for 20 more. For more rigorous analysis, use NPV or IRR. That said, payback period is useful for quick risk screening — shorter payback = lower risk.
Common Questions
What is a good payback period?
It depends on the type of investment. For machinery and equipment, 3–5 years is typical. For software, 12–24 months. For real estate, 7–15 years. The shorter, the better — but very short payback periods may indicate low-return projects.
What's the difference between payback period and ROI?
Payback period measures time to recover investment. ROI measures return as a percentage of cost. A project can have a fast payback but low ROI (if cash flows stop after breakeven), or a long payback but very high ROI (if cash flows continue for decades).