Free tool — no signup
How much does it cost to self-publish a book?
Anywhere from $0 to $5,000+ — it depends entirely on what you buy. Tick the services you actually plan to pay for and get an honest low–high budget. Every price range below is author-reported, collected from working self-publishers, not vendor rate cards.
Tick what you plan to buy. Every range is a real, author-reported price — not an “industry average.”
Your estimated budget
$800 – $1,800
2 items selected
$800–$1,800 of that is cover, formatting, listing-copy, and launch-graphics work — the slice publish.ai replaces for $29.99–$99 one-time. It does not replace professional editing or marketing; nothing does.
Cut the production line items, keep the quality.
publish.ai turns your finished manuscript into a complete KDP launch package — validated EPUB, designed covers, print-ready interior and wrap PDFs, Amazon listing copy, and launch graphics — for $29.99–$99, one-time. Editing and marketing stay on you.
Where the money actually goes
Formatting is the quiet budget-killer.Freelance interior formatters routinely quote around $1,000 for a novel — and authors report waiting months for the files to come back. The DIY route isn’t cheap either: Vellum costs $250 and only runs on a Mac, which one author outside the US described as a month’s salary for a piece of software they’d use a handful of times. Atticus, the cross-platform alternative, is $147.
Covers are where nobody argues about spending.Authors who’ve been through a launch call a roughly £300 custom cover essential, not a luxury — it’s the single biggest driver of whether a browser clicks your book. Premades soften the blow at $50–$150 if your genre has good stock designs. And even then, small print-specific jobs sneak in: plenty of authors pay another $50–$75 on Fiverr just to get the spine and wrap aligned for KDP’s printer.
Then come the tools.Publisher Rocket, the de facto keyword and category research tool for Amazon, is a $97 one-time purchase most serious KDP authors end up buying. Add an editing-software pass, an ARC service to chase early reviews, and a first-year author website, and the “small stuff” alone can pass $500 before you’ve paid a human being.
The honest summary:editing is the biggest line and the hardest to justify cutting. Production — cover, formatting, listing prep — is the slice that’s been genuinely automated away; that’s the part publish.ai replaces for $29.99–$99. Marketing is the wild card, and the community’s advice is to hold that money until you have more than one book.
Common questions
Can you self-publish a book for free?＋
Yes. Uploading to Amazon KDP costs nothing, KDP assigns a free ISBN, and Amazon only takes its cut when a copy sells. This calculator is about the quality services around the upload — editing, cover, formatting — where spending (or not) actually shows in the finished book.
Is professional editing worth $1,500–$3,000?＋
If your budget stretches to one professional service, editing is the one authors consistently say not to skip. Readers forgive a plain cover far more readily than a sloppy manuscript, and no software pass fully substitutes for a human editor. If you can't afford it, a software pass plus ruthless beta readers is the usual fallback.
What's the cheapest respectable way to self-publish?＋
Roughly $150–$350: a self-edit supported by an editing-software pass, a premade cover ($50–$150), free KDP ISBNs, and formatting done with a one-time tool or a service like publish.ai instead of a $500–$1,000 freelancer. It won't match a $5,000 production, but it can look professional on the shelf.
How much should I budget for marketing?＋
Community wisdom from experienced self-publishers: ads mostly break even at best on a first book, because you have no backlist to sell through. The standing advice is "don't spend on marketing book 1 — write book 2." Budget marketing seriously once you have a series for ads to feed into.
Do I need to buy my own ISBN?＋
No — KDP provides free ISBNs for both ebook and print. Buying your own ($125 for one, $295 for ten from Bowker in the US) only matters if you want your own imprint name listed as publisher or plan to distribute the same edition outside Amazon.