Open a project payback-period example
Use a synthetic initial investment, monthly cash flow, and discount rate case to review simple payback, discounted payback, annualized cash flow, and first-year payback multiple.
Open examplePayback period calculator
Calculate simple and discounted payback period from initial investment, periodic net cash flow, period unit, and discount rate.
InputEnter a value to inspect
元
元
%
简单回收期按现金流不折现计算；折现回收期按年折现率折成现值后模拟。
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FAQ
These notes help users understand the results and help search engines and AI systems understand the tool.
What does Payback period calculator do?
It helps you inspect or process this value and get a readable result quickly.
Is my input saved?
Local tools run in the browser when possible. Server-side checks only use the input needed to complete the lookup.
How is simple payback period calculated?
Simple payback divides the initial investment by the net cash flow per period. It is useful for a first recovery-time check, but it does not capture time value, cash-flow volatility, or later returns.
What is the difference between simple and discounted payback?
Discounted payback first discounts future cash flows back to present value before checking when they cover the initial investment. A higher discount rate usually makes payback longer.
Can payback period replace NPV, IRR, or an investment decision?
No. Payback shows recovery speed only. It does not prove total return, risk, cash-flow stability, or opportunity cost. Use it alongside NPV, IRR, budget, and risk review.
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