DeWitt District Library

Library Calculator

library calculator Library of Michigan Return on Investment Calculator

Library Services Calculator

What is the DeWitt District Library worth to you?

How much would you pay out-of-pocket for your library services?

Your Use	Library Services	Value of Services
	Books Borrowed per Month, including via Interlibrary Loan	$
	Magazines Borrowed per Month	$
	Movies Borrowed per Month	$
	Music Recordings Borrowed per Month	$
	Audio Books Borrowed per Month	$
	Children's Program(s) attended	$
	Adult Program(s) attended	$
	Computer Use (Hours per Month)	$
	Reference Questions Asked Per Month	$
	Number of full-text articles accessed from a library's Web site or the Michigan eLibrary	$
	Number of hours utilizing library resources in-house	$
	*Museum Adventure Pass(es) Checked Out	$

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 your Michigan library. You see a returned value of $ for every one dollar invested.

Values used in the calculations above
Value of a book checked out at a library, including via interlibrary loan = $30
Value of a magazine read at a library = $4
Value of a movie checked out at a library = $10
Value of a music recording checked out at a library = $15
Value of an audio book checked out at a library= $30
Value of a children's program at a library = $6
Value of a library 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 at a library = $15
Value of full-text articles accessed from a library's Web site or the Michigan eLibrary = $15
Value of utilizing library resources in-house = $10
*Value for Museum Adventure Pass checked out at a library = $15

Adapted from the Library Research Service Return on Investment calculator code
and the Library of Michigan Return on Investment Calculator

You are seeing a returned value of $ for every one dollar invested!

*Service not available through DeWitt District Library