Payback Period Calculator
Simple payback period.
Inputs
$
$
Result
Payback Period4.17 yrs
About the Payback Period Calculator
The Payback Period Calculator finds the number of years needed to recover the initial investment from a project's cash flows — the classic simple test of investment risk.
Calculation method
Sum cash flows year by year until the cumulative total equals or exceeds the initial investment. Fractional years are estimated linearly within the crossing year.
Payback = Year before recovery + Uncovered amount / CF in recovery yearHow to use this calculator
- Enter the initial investment as a positive number.
- Enter each year's cash inflow.
- See how many years until you break even.
Example
A $10,000 investment returning $3,000/year pays back in about 3.33 years.
Frequently asked questions
Is payback period a good decision tool?
It's useful for a quick liquidity check but ignores the time value of money and any cash flows after the payback point. Pair it with NPV or IRR.
What is discounted payback?
Same idea, but each cash flow is discounted to present value before being summed. It's always longer than plain payback.
What is a good payback period?
It depends on the industry. Retail investors often accept 3–7 years; venture-backed startups may accept 10+ for large market opportunities.
Disclaimer: This calculator is for informational and educational purposes only and does not constitute financial, tax, or legal advice. Consult a qualified professional for decisions specific to your situation.