McKeldin Library hours, quiet floors and rooms

McKeldin stays open overnight for Late Night Study most of the fall and spring: generally 11 pm to 8 am, Sunday through Thursday, with longer hours during finals. From 11 pm to 8 am you need a Campus ID to stay.

Today, Monday Oct 19: 24 Hours

Hours

McKeldin Library hours, the next two weeks
Mon Oct 19	24 Hours
Tue Oct 20	24 Hours
Wed Oct 21	24 Hours
Thu Oct 22	24 Hours
Fri Oct 23	12am - 8pm
Sat Oct 24	11am - 8pm
Sun Oct 25	11am - 12am
Mon Oct 26	24 Hours
Tue Oct 27	24 Hours
Wed Oct 28	24 Hours
Thu Oct 29	24 Hours
Fri Oct 30	12am - 8pm
Sat Oct 31	11am - 8pm

From UMD Libraries’ hours calendar, refreshed every 6 hours.

Book a group study room (LibCal)Find a Space: every library study space

What people come here for

Quiet Study
Silent floors, seats and outlets
Study Groups
Find people studying the same class
Group Rooms
Booking tips and who has a room

Floor by floor

Floor 1: the silent Quiet Study Room (#1113), with no reservations and no time limit. Source: lib.umd.edu/visit/libraries/mckeldin/quiet-study-room
Floor 1 also has the FootNotes Cafe, a study lounge, vending machines, microwaves and nap pods. Source: lib.umd.edu/visit/libraries/mckeldin/navigate
Floor 2: the Terrapin Learning Commons (TLC), the building’s collaborative, louder floor. Source: lib.umd.edu/visit/libraries/mckeldin/tlc
Floor 4: the Reading Room, a quiet room with no food or drinks except water in spill-proof containers, and the Undergraduate Writing Center. Source: lib.umd.edu/visit/libraries/mckeldin/reading
Floor 5: the Graduate School Writing Center. Source: lib.umd.edu/visit/libraries/mckeldin
Floors 5, 6 and 7 are Quiet Zones. Source: umd.libanswers.com/faq/66262
Printers and copiers are on floors 1, 2 and 6, with poster printing on floor 2. Source: lib.umd.edu/visit/tech/print

Rooms and carrels

TLC group study rooms 2100A–2100M on floor 2 hold 3 to 8 people. Source: umd.libcal.com/reserve/mckeldin/group-study
A group room booking lasts 2 hours at most, and a group needs at least 3 people. Source: lib.umd.edu/visit/libraries/mckeldin/groupstudy
Book on LibCal with your UMD email; bookings are limited to UMD addresses. Source: umd.libcal.com/reserve/mckeldin/group-study
Carrels on floors 4, 6 and 7 can be booked in 1-hour slots, up to 4 hours a day. Floor 3 carrels are first come, first served. Source: umd.libanswers.com/faq/66073
The 1st-floor Focus Room seats 1 for up to 4 hours; the Conversation Room seats 2 for up to 4 hours. Source: lib.umd.edu/visit/libraries/mckeldin/focus-room
The Family Study Room (3233) holds up to 6 people. Source: lib.umd.edu/visit/libraries/mckeldin/family-study-room

Late Night Study and your ID

Library staff and UMD Police Auxiliary check IDs starting at 11 pm, and you must show an eligible ID to stay. Source: lib.umd.edu/visit/libraries/mckeldin/late-night-study
Eligible non-UMD users (UMGC, USMAI, Big Ten, Maryland community colleges) must be inside by 11 pm and can’t re-enter once they leave. Source: lib.umd.edu/visit/libraries/mckeldin/late-night-study
UMD alumni can’t use Late Night Study. Source: umd.libanswers.com/faq/66316
The 1st-floor Library Services Desk stays open whenever McKeldin is open; the 2nd-floor TLC Tech Desk closes during Late Night Study. Source: lib.umd.edu/visit/libraries/mckeldin

Visitors, food and 3D printing

Anyone can use the College Park libraries during normal hours, though not during Late Night Study. Source: umd.libanswers.com/faq/66026
Food and drinks are allowed in McKeldin under the Libraries’ Code of Conduct. Source: lib.umd.edu/about/policies/conduct
Library 3D printing moved to the John and Stella Graves Makerspace in the STEM Library. Source: umd.libanswers.com/faq/66468

On the NoTestudo board

Every place in NoTestudo has a board, with sub-boards for what people do there. Open McKeldin Library in the app to see who’s around and what’s happening. Sub-boards include Quiet Study, Study Groups, Group Rooms.

Run a club that meets here? Connect its GroupMe or Discord and the turtle posts your announcements on the board.

Add McKeldin Library to a “Study more” goal.

Your visits count on their own. Nothing to log.

Join the Waitlist

NoTestudo is free on the App Store October 31, for everyone. Join the waitlist and we’ll email you the moment it’s out.

McKeldin Library: questions people ask

Is McKeldin Library open 24 hours?

For most of the fall and spring, McKeldin stays open overnight for Late Night Study, generally 11 pm to 8 am Sunday through Thursday, with longer hours during finals. Exact dates are on umd.libcal.com/hours. Source: lib.umd.edu/visit/libraries/mckeldin/late-night-study

Do I need my ID to stay in McKeldin Library late at night?

Yes. Staff and UMD Police Auxiliary check IDs from 11 pm, and you must show an eligible ID, such as a valid UMD ID, to stay. Source: lib.umd.edu/visit/libraries/mckeldin/late-night-study

Can I reserve a study room at McKeldin Library?

Yes. The floor 2 TLC group study rooms (2100A–2100M) are for groups of 3 to 8, booked online with a UMD email for up to 2 hours. Source: lib.umd.edu/visit/libraries/mckeldin/groupstudy

Where are the quiet floors in McKeldin Library?

Floors 5 through 7 are Quiet Zones. Floor 1 has a silent Quiet Study Room and floor 4 has the Reading Room. Source: umd.libanswers.com/faq/66262

Can people who don’t go to UMD use McKeldin Library?

Yes, during normal hours, but not during Late Night Study. Source: umd.libanswers.com/faq/66026

Can I eat in McKeldin Library?

Yes. The Libraries’ Code of Conduct allows food and drinks in McKeldin. The 4th-floor Reading Room allows only water in spill-proof containers. Source: lib.umd.edu/about/policies/conduct

Is there a 3D printer in McKeldin Library?

No. Library 3D printing runs out of the John and Stella Graves Makerspace in the STEM Library, free for UMD students, faculty and staff. Source: umd.libanswers.com/faq/66468

Nearby and related

Sources

Facts checked October 19, 2026 against these official UMD pages.

Spot something out of date? Email support@narb.cc.