How to Choose KDP Categories: A Step-by-Step Method
A repeatable method for choosing your three KDP categories by relevance, buyer fit and competition, with a worked example and a ve…
Expanded Distribution is the free, optional setting on a KDP paperback that lets it get picked up by bookstores, libraries, and academic institutions, on top of selling on Amazon.com. It doesn't cost anything to turn on. It also doesn't come close to paying what an Amazon.com sale pays — and enrolling is no promise that anyone outside Amazon will actually stock or order the book. Here's what it actually does, and the royalty math behind it.
What Expanded Distribution actually does
By default, a KDP paperback only sells through Amazon's own retail channel — Amazon.com. Expanded Distribution adds a second channel: your book becomes available to bookstores, libraries, and academic institutions through distributors in the US and UK. It's a distribution channel, not a marketing push — being eligible for those buyers to order from isn't the same as them choosing to.
What's eligible — and what isn't
- Paperback only. Hardcover editions are not eligible for Expanded Distribution.
- Free to enroll. There's no fee to turn it on, and no upfront cost to publishing on KDP at all — Amazon only deducts the printing cost at the moment a copy actually sells, on any channel.
- No guarantee. Enrolling does not guarantee acceptance by any given bookstore, library, or academic institution, and it does not guarantee orders. It makes the book orderable through those channels; it doesn't make anyone order it.
The royalty rate is flat — and lower
On Amazon.com, your paperback royalty is tiered by list price: 50% of list price at or below $9.98, and 60% from $9.99 up (before printing cost is subtracted). Expanded Distribution ignores that tiering entirely. Every sale through that channel pays a flat 40% of list price, minus the same printing cost — regardless of what your list price is.
The royalty formula itself doesn't change: royalty = (rate × list price) − printing cost. Only the rate does. Printing cost comes from KDP's own chart — set by trim size and page count — and KDP publishes just the one chart, with no separate version for Expanded Distribution; the worked example below applies that same chart to both channels.
The math, on one book
Take a 140-page, 8.5"×11" paperback (large trim, black ink) listed at $11.99. Printing cost for a large-trim book over 110 pages is $1.00 + $0.017 per page: $1.00 + (140 × $0.017) = $3.38 a copy, no matter where it sells.
| Channel | Rate | List price × rate | Printing cost | Royalty per copy |
|---|---|---|---|---|
| Amazon.com | 60% (list price ≥ $9.99) | $11.99 × 60% = $7.194 | $3.38 | ≈ $3.81 |
| Expanded Distribution | 40% flat | $9.99 × 40% = $3.996 | $3.04 | ≈ $0.96 |
Same book, same printing cost, same list price — but the Expanded Distribution copy pays roughly a third of what the Amazon.com copy pays. That gap comes entirely from the rate: 40% flat versus a 60% tier that only kicks in because this book happens to be listed at $9.99 or above. A shorter book, a smaller trim, or a lower list price changes the printing cost and the exact numbers, but the same formula applies either way — run your own book's specifics through a KDP royalty calculator or a printing-cost calculator before you decide.
So why enroll at all?
Because it costs nothing to find out, and the alternative — staying Amazon.com-only — closes off that channel completely. If a library or academic institution would only ever order through a standard book distributor rather than direct from Amazon, Expanded Distribution is the only way your KDP paperback is even orderable there. The trade-off is straightforward: a much lower per-copy royalty on that channel, in exchange for reach you don't get otherwise, with no promise attached to either side.
Not the same as the ebook royalty choice
It's easy to mix this up with Kindle's ebook royalty setting, but they're unrelated. Kindle ebooks have an actual choice between a 35% and a 70% royalty rate, set separately per title. Paperback royalty isn't a choice like that — it's set by which list-price tier you fall into on Amazon.com, or by the flat 40% rate if the sale came through Expanded Distribution. There's no paperback equivalent of picking "35% or 70%."
If you're formatting the interior yourself before you get to any of this, KDP Creator exports print-ready 300-DPI page files for sudoku, word search, maze, crossword, math, number-fill, and word-scramble books — you still assemble and upload the file to KDP yourself. Plans and a 3-day trial are on the pricing page.
FAQ
Is Expanded Distribution free to enroll in?
Yes. There's no fee to turn it on. The trade-off isn't a cost — it's a lower flat royalty rate (40% of list price, minus printing cost) on whatever sells through that channel.
Does Expanded Distribution cover hardcover books?
No. Expanded Distribution is paperback-only. Hardcover editions are not eligible for it.
If I enroll, is my book guaranteed to end up in bookstores or libraries?
No. Enrolling makes the book available to order through US and UK distributors that supply bookstores, libraries, and academic institutions. Whether any of them actually stock or order it is entirely up to them — enrollment doesn't guarantee acceptance or orders.
Is the 40% Expanded Distribution rate the same as the ebook 35%/70% royalty choice?
No, they're different settings on different formats. The 35%/70% choice is a Kindle ebook royalty option you pick per title. Expanded Distribution is a paperback distribution channel that pays a flat 40% of list price minus printing cost — there's no equivalent "choice" for paperback royalty.
Does the printing cost change depending on which channel the copy sells through?
KDP publishes one printing-cost chart — based on trim size and page count — with no separate version for Expanded Distribution. That's the chart the example above uses for both the Amazon.com and Expanded Distribution rows, which is why both land at the same $3.04 for this particular book; only the royalty rate applied before that deduction differs.
