Subscription Options

Individual Subscriptions

Subscriptions to The Chicago Manual of Style Online include access to the full contents of the 18th and 17th editions. We also offer free individual trial subscriptions. No strings attached. No credit card information collected. Trial term is 30-days, intended for use by a single individual only.

Sign up for a free 30-day trial subscription

  • 1-year    $46
  • 2-year    $83
  • 3-year    $118

Subscribe/Renew

The Chicago Manual of Style Online + Book Bundle Offer

NEW individual subscribers to The Chicago Manual of Style Online qualify for a 50% discount on the print edition of The Chicago Manual of Style, 18th edition (a $75 value for only $37.50).

  • 1-year bundle       $83.50
  • 2-year bundle       $120.50
  • 3-year bundle       $155.50

Small-Group Subscriptions

The Chicago Manual of Style Online is available to small businesses and user groups of 2 to 50 people by annual subscription. Pricing is per group member and determined by the total number of users. For example, 3 members for 1 year is $138 (3 x $46 = $138). If you have more than 50 users, please see the information below on Corporate Subscriptions. Subscriptions include access to the full contents of the 18th and 17th editions.

Group Size 1-Year 2-Year 3-year
2–5 members $46.00 $83.00 $118.00
6–10 members $41.00 $79.00 $106.00
11–15 members $39.00 $71.00 $100.00
16–20 members $37.00 $66.00 $94.00
21–50 members $35.00 $62.00 $89.00

Subscribe/Renew


Institutional Subscriptions

For budget planning purposes, 2025 subscription rates are posted and available for download.

Visit the 2025 Subcription Rates Page

CMOS Online is available to academic, private, and public libraries through annual IP-based subscriptions. Institutions will need to register an IP address or an IP range for user authentication.

Chicago's tiered pricing structure takes research output as the key criterion and is based on the Carnegie Classification System whenever possible. To check the classification of an institution, contact cmos@uchicago.edu. Short-term free trial subscriptions are also available for product testing purposes. Subscriptions include access to the full contents of the 18th and 17th editions.

Higher Education Institutions Annual Rate
Very Large $1,796
Large $1,351
Medium $781
Small $393
Very Small $281
Community College $281
Consortia Custom pricing
Other Institutions Annual Rate
Primary and Secondary Schools K-12 $159
Museum $281
Public Library-Main branch $199
Public Library-Each additional branch $139
Government/Nonprofit-Small $393
Government/Nonprofit-Medium $781
Government/Nonprofit-Large $1,172
Government/Nonprofit-Very Large Custom pricing

To obtain a price quote, request a free trial, or to subscribe, please contact the Help Desk at 1-877-705-1878 (toll-free within the US and Canada) or 1-773-753-3347 (International), or email cmos@uchicago.edu.

Download the Institutional Rate Sheet


Corporate Subscriptions

For budget planning purposes, 2025 subscription rates are posted and available for download.

Visit the 2025 Subcription Rates Page

Enterprise site licenses are available to business corporations with more than 50 users. Tiered pricing is based on corporation size and the number of Full-Time Equivalents or FTEs. Subscribers receive unlimited access to The Chicago Manual of Style Online within the IP ranges they provide. 

Size of Corporation Annual Rate
Corporate-Small $1,737
Corporate-Medium $2,274
Corporate-Large $4,548
Corporate-Very Large Custom pricing

To obtain a price quote, request a free trial, or to subscribe, please contact the Help Desk at 1-877-705-1878 (toll–free within the US and Canada) or 1-773-753-3347 (International), or email cmos@uchicago.edu. Subscriptions include access to the full contents of the 18th and 17th editions.


The Chicago Manual of Style Online / The CSE Manual Online Combination Package Offer

Institutional and corporate subscribers to CMOS Online can add The CSE Manual Online at a 50% discount for the first year. 

View CMOS/CSE Online Combination Package Offer


Payment Options

Payment must be in US dollars, and can be accepted by credit card, check, or wire transfer.

For details, Visit the payment options page.


Published October 1, 2024. Individual and small-group rates effective October 1, 2024. 2025 institutional and corporate rates effective January 1, 2025.