Free Payback Period Calculator
How long an investment takes to repay itself.
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Result
Payback period
4.17 years
50 months
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Short answer
How long an investment takes to repay itself.
What is the Payback Period Calculator?
How long an investment takes to repay itself.
How does the Payback Period Calculator work?
Enter the inputs above and read the result.
Formula
Variables
NCFNet annual cash flow
Explanation
A simple payback ignores the time value of money — use NPV for long horizons.
Examples
Applications
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Related concepts
The Payback Period Calculator sits inside the Finance Calculators hub, in the investing & retirement cluster. Growing capital and planning for withdrawal. Understanding the terms below makes the output easier to interpret and easier to compare against neighbouring measures.
Practical use cases and industry applications
Understanding Payback Period
How long an investment takes to repay itself. Within finance calculators, payback period belongs to the investing & retirement cluster, where it shares terminology and assumptions with closely related tools.
Learning how payback period is calculated
A simple payback ignores the time value of money — use NPV for long horizons. Working through the variables one at a time — NCF — makes the result reproducible by hand and easier to sanity-check.
Using payback period to make a decision
Because outputs depend on the assumptions you enter, run more than one scenario before committing to a figure.
How payback period compares with related measures
compound growth, asset allocation, withdrawal rate, yield all describe adjacent aspects of investing & retirement. Comparing this calculator's output against those measures — using the related tools listed on this page — prevents a single metric from being read in isolation.
Frequently asked questions
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