Finance calculator
Net present value calculator
Initial investment is outflow (positive number). Constant annual benefit repeats for N years. Discount at one annual rate.
Inputs
Enter valid numbers. Calculations run entirely in your browser.
Per year.
Results
Net present value
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Example
Invest 50,000, 12,000/year for 5 years at 10%: NPV is positive if benefits outweigh discounted cost.
Explanation
NPV = −I + CF × (1 − (1+r)^−n) ÷ r with r as annual discount rate.
FAQ
Uneven cash flows?
This version assumes equal inflows; build a spreadsheet for custom schedules.