Library Value Calculator

Individual Return on Investment Calculator

For every $1.00 in taxes you spend on the Denver Public Library, how much do you receive in return?

Please enter the number of times you use the following library services each month:

Your Use Library Services Value of Services
Value you receive monthly from your library: $
For every $1.00 in taxes you spend on your library, you receive
$ of value in return*

Where did these numbers come from?
Typical taxpayer contributions are determined from the library's 2006 local income per capita. For libraries in Colorado, this can be found at We borrowed value of library service figures from Maine State Library's Library Use Value Calculator. For more information, see their explanation.

*Your personal return on investment is based on your responses and the typical annual tax contribution for the Denver Public Library. You see a returned value of $ for every one dollar invested. Visit to find Local Income per Capita for Colorado's public libraries.

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