Bloomington Public Library


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205 E. Olive St., Bloomington, IL 61702 › Get Directions › Our Mission & Vision
Phone 309.828.6091, Fax 309.828.7312

Return on Investment Calculator

Your Use	Library Services	Average value of Services
	Adult Books Borrowed per Month (including via Interlibrary Loan)	$
	Adult Audio Books Borrowed per Month	$
	Children's Books Borrowed per Month (including via Interlibrary Loan)	$
	Children's Audio Books Borrowed per Month	$
	Magazines Borrowed per Month	$
	Movies Borrowed per Month	$
	Music Recordings Borrowed per Month	$
	Children's Program(s) attended	$
	Adult Program(s) attended	$
	Computer Use (Hours per Month)	$
	Reference Questions Asked Per Month	$
The total value for the services you listed above = $ * Your personal return on investment is based on your responses and the typical annual tax contribution for Bloomington Public Library. You see a returned Average value of $ for every one dollar invested.

Values used in the calculations above

Average value of an adult book checked out at a library, including via interlibrary loan = $20

Average value of an adult audio book checked out at a library = $40

Average value of an children's book checked out at a library, including via interlibrary loan = $15

Average value of an children's audio book checked out at a library = $30

Average value of a magazine read at a library = $4

Average value of a movie checked out at a library = $3.50

Average value of a music recording checked out at a library = $12

Average value of a children's program at a library = $5

Average value of a library program, such as a book club, for adults = $8

Average value of a patron spending an hour on a library computer = $12

Average value of a reference question at a library = $3

Adapted from the Library Research Service Return on Investment calculator code.