Present Value of a Series of Non-Annuity Payments

You can use this calculator to calculate the present value of a series of irregular or unequal payments received in the future.

To open this calculator, click Calculators in the toolbar, and then click Other Investment > Present Value of a Series of Non-Annuity Payments in the left panel.

You can export the data as a PDF file or clear all data that you entered. For more information, see Financial calculators.


If an investor projects receiving a cash flow from a business into the future, he can place a value on that business today. If he expects the business will lose about $10,000 this year, then make $20,000 the second year with a 10% increase each subsequent year until the end of the fifth year, what is the company worth today?

Note: This example assumes that there is no residual value at the end of five years.

Field Input
Current date 1/1/2013
Annual discount rate 8%

Payment Schedule

Date Amount
1/1/2014 -$10,000
1/1/2015 $20,000
1/1/2016 $22,000
1/1/2017 $24,200
1/1/2018 $26,620

In this example, the total of the payments the investor receives from the business would be $82,820, and the present value of those payments is $61,245.43.

Note: This total present value is also the value of the investment.

Internal notes


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