Individual Return on Investment Calculator

Please enter the number of times you use the following library services each month
Your UseLibrary ServicesValue of Services
Value you receive monthly from your library: $

For every $1.00 in taxes you invest in your library, you receive $ of value in return*

Where did these numbers come from?
Typical taxpayer contributions are determined from the library's 2009 local income per capita.

*Your personal return on investment is based on your responses and the typical annual tax contribution for North Liberty Community Library. You are seeing a returned value of $ for every one dollar invested!

Values used in the calculations above
Value of a book checked out at a library = $15
Value of a magazine read or checked out at a library= $5
Value of a movie checked out at a library = $7
Value of an audio book = $25
Value of an music CD = $13
Value of cake pans checked out at the library = $10
Value of interlibrary loan = $15
Value of library meeting room per hour = $20
Value of a program, such as a book club, for adults or teens = $10
Value of a program, such as Storytime, for children = $12
Value of a patron spending an hour on a library computer = $12
Value of a reference question = $10
Value of utilizing library resources in-house = $10

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