Hacker ApprovedDepartments

IKEA Billy bookcase

Hacker Approved

Bookcase in Home & kitchen

Cheap, adjustable, and hackable shelving that many owners find sturdy for years. Critics say later versions use thinner paper-wrapped boards that sag under heavy loads.

Cheap, adjustable, and hackable shelving that many owners find sturdy for years. Critics say later versions use thinner paper-wrapped boards that sag under heavy loads.

25 people gave an opinion

recommend it
17
criticize it
8
approval share
68%
Each figure is one person. RecommendsCriticizes

Recommended in 6 of 13 months

  1. November 2025: not recommended
  2. December 2025: not recommended
  3. January 2026: not recommended
  4. February 2026: recommended
  5. March 2026: recommended
  6. April 2026: recommended
  7. May 2026: recommended
  8. June 2026: not recommended
  9. July 2026: not recommended
  10. August 2026: recommended
  11. September 2026: recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it carries the badge

  • 17 people recommend itNeeds 10 or more, met.
  • 2.1 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 6 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Sturdy and long-lasting

    “I have some older Billy shelves that have been very solid, even when overloaded with books”

    Comment from 16 Sep 2026 in “Let's make quality the norm again”

    “It's a shelf and in the past few years it has not yet failed at holding my books.”

    Comment from 5 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”

    “they have lasted many years (eve ones bought second hand) and moves.”

    Comment from 22 May 2026 in “Google Declaring War on the Web”
  • Cheap for what you get

    “Looks amazing, cheap as hell.”

    Comment from 31 Aug 2026 in “Hacking IKEA Furniture”

    “Billy's are fairly cheap.”

    Comment from 6 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”
  • Easy to adjust and hack

    “IKEA furniture is great for small adjustments to fit your needs.”

    Comment from 30 Aug 2026 in “Hacking IKEA Furniture”

    “Billy bookshelves are well known for their hackability.”

    Comment from 5 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”

What people warn about

Each mark is one comment

  • Flimsy paper-based materials

    “The later years replaced veneer with paper foil, used thinner shelves, frames, and backing panels, and was just significantly weaker.”

    Comment from 30 Sep 2026 in “Livenerf: Has Opus 5.5 been nerfed yet?”

    “they replaced the previously decently durable wood veneer surfaces with glued on wood-pattern paper wraps”

    Comment from 30 Aug 2026 in “Hacking IKEA Furniture”

    “Their stuff makes frickin' papier-mâché look like a steel girder in comparison.”

    Comment from 5 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”
  • Sags under heavy loads

    “it can substantially sag with heavier loads”

    Comment from 5 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”

    “it's still a cheap ikea, cardboard shelf, that will bow under weight”

    Comment from 30 Aug 2026 in “Hacking IKEA Furniture”

    “The shelves will start to sag substantially if you fill them.”

    Comment from 5 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”
  • Can fall apart over time

    “I've bought simple shelving that began to fall apart within years (Billy maybe?)”

    Comment from 16 Aug 2026 in “Software Engineering fundamentals matter more”

    “if they tried it one more time the thing would collapse”

    Comment from 16 Aug 2026 in “Software Engineering fundamentals matter more”

What people recommend instead

The same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

IKEA Billy bookcase compared with 1 alternative
ProductRecommendCriticizeApprovalMonthsOwnedBadge
IKEA Billy bookcaseThis page17868%6—Approved
IKEA Kallax shelf8280%3——

What people said

26 of the 27 comments that mention it, newest first. Each links to the original comment.

“The later years replaced veneer with paper foil, used thinner shelves, frames, and backing panels, and was just significantly weaker.”

MixedComment from 30 Sep 2026 in “Livenerf: Has Opus 5.5 been nerfed yet?”

“I have some older Billy shelves that have been very solid, even when overloaded with books”

RecommendsComment from 16 Sep 2026 in “Let's make quality the norm again”

“Looks amazing, cheap as hell.”

RecommendsComment from 31 Aug 2026 in “Hacking IKEA Furniture”

“they replaced the previously decently durable wood veneer surfaces with glued on wood-pattern paper wraps”

MixedComment from 30 Aug 2026 in “Hacking IKEA Furniture”

“it's still a cheap ikea, cardboard shelf, that will bow under weight”

CriticizesComment from 30 Aug 2026 in “Hacking IKEA Furniture”

“IKEA furniture is great for small adjustments to fit your needs.”

RecommendsComment from 30 Aug 2026 in “Hacking IKEA Furniture”

“it's sturdy and will last forever”

MixedComment from 19 Aug 2026 in “How does IKEA come up with names for its products?”

“I've bought simple shelving that began to fall apart within years (Billy maybe?)”

CriticizesComment from 16 Aug 2026 in “Software Engineering fundamentals matter more”

“if they tried it one more time the thing would collapse”

CriticizesComment from 16 Aug 2026 in “Software Engineering fundamentals matter more”

“They are sturdy, high quality and withstand to abuse.”

RecommendsComment from 23 May 2026 in “My two-part desk setup”

“they have lasted many years (eve ones bought second hand) and moves.”

RecommendsComment from 22 May 2026 in “Google Declaring War on the Web”

“Might be helpful for the overhang”

RecommendsComment from 1 Apr 2026 in “A dot a day keeps the clutter away”

“Billy's are fairly cheap.”

RecommendsComment from 6 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”

“the BILLY does leave a bit of album hanging out”

CriticizesComment from 5 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”

“the product would be far more sturdy”

CriticizesComment from 5 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”

“Their stuff makes frickin' papier-mâché look like a steel girder in comparison.”

CriticizesComment from 5 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”

“Billy bookshelves are well known for their hackability.”

RecommendsComment from 5 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”

“What can I say, I'm a Billy simp, there's one just behind me as I'm writing this comment”

RecommendsComment from 5 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”

“it can substantially sag with heavier loads”

MixedComment from 5 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”

“Can't say I can observe this with a few years old ones.”

RecommendsComment from 5 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”

“Literally best of both worlds.”

RecommendsComment from 5 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”

“The shelves will start to sag substantially if you fill them.”

CriticizesComment from 5 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”

“fully populating lack legs is not recommended”

MixedComment from 5 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”

“It's a shelf and in the past few years it has not yet failed at holding my books.”

RecommendsComment from 5 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”

“That shelf is more glue and fire retardant than it is wood.”

CriticizesComment from 5 Mar 2026 in “Billy bookshelves as a retro motherboard "rack"”

“some items are still cheaper for me to purchase in Canada directly”

RecommendsComment from 23 Feb 2026 in “Decided to fly to the US to buy some hard drives”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.