Library Return on Investment Calculator

Enter in the left hand column the number of times per month you or your family use each service.
Estimated retail value of each service will be calculated on the right.
Tip: Tab between entries and do not use commas.

Your Use	Library Services	Value of Services
	Books Borrowed per Month	$
	Magazines Borrowed per Month	$
	Movies Borrowed per Month	$
	Audio Books Borrowed per Month	$
	In-Library Magazine Use per Month	$
	Interlibrary Loans per Month	$
	Meeting Rooms Use (Hours per Month)	$
	Program/Class Attended per Month - Adult	$
	Program/Class Attended per Month - Child	$
	Computer Use (Hours per Month)	$
	MeL Resources used each month	$
	Reference Questions Asked per Month	$
	Paperbacks checked out each Month	$
	Children's Books Checked Out per Month	$
	Music CDs Checked Out per Month	$
	Hours spent using materials in the building per Month	$
Value you receive monthly from your library:		$
For every $1.00 in taxes you invest in your library, you receive $ of value in return*

Values used in the calculations above

Value of a book checked out at a library, including via interlibrary loan = $25

Value of a magazine read at a library = $4

Value of a movie checked out at a library = $10

Value of a music cd checked out at a library = $15

Value of an audio book = $25

Value of a children's program = $6

Value of a program, such as a book club, for adults = $10

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

Value of a reference question = $7

Value of full-text articles accessed from a library's Web site or the Michigan eLibrary = $10

Value of utilizing library resources in-house = $10

Value of a Magazine read in the library = $2

Value of using a meeting room for one hour = $50