Free KDP royalty calculator
KDP economics guide
Self-publishing is worth it when the math of one book survives the math of your time. Here's how to run that math.
Self-publishing threads mix survivor bias with despair. The honest version: a checked book with a real audience beats a lottery-sized gamble — and the difference is visible in the royalty numbers before you write chapter one.
Checked:
✓Royalty math: per copy, per region✓Time payback beats cost payback✓Checks move the odds, not the coin flip
The numbers behind 'worth it'
KDP pays royalty per title after printing costs and download fees — 35% and 70% plans have different delivery-fee conditions. The practical number: an 80,000-word paperback at $12.99 keeps a small fraction of the cover price per sale.
The realistic first-book experience reported repeatedly in communities: months of near-zero sales, then slow growth if the pipeline (checks, metadata, cover) is right. Books that check out consistently outperform books that rush — in every dataset that separates the two.
| Input | Where to find it | Why |
|---|---|---|
| Word count / page estimate | Word count calculator | Drives print cost |
| Royalty per copy | Royalty calculator | Defines revenue per sale |
| Editing + cover budget | Your quote | Defines break-even sales |
What actually moves the answer
Nothing in self-publishing changes a bad book into a good business; what changes is visibility hygiene: a valid EPUB, correct metadata, a professional cover. Those are the cheapest improvements in the entire pipeline, and they are free to run.
FAQ
Frequently asked questions
How long until self-publishing makes money?
The community consensus is 2–3 years for most titles that do well; a large share never reach profitability. Set the expectation per book, not per career.
What's a realistic first-year royalty?
Run the royalty calculator with your price and length; the honest expectation for a debut without a platform is hundreds, not thousands — and the checks separate that from 'nothing'.
Should I compare KDP with other retailers?
Yes, the royalty compare tool lays out per-marketplace math. Exclusivity choices change eligibility, which is a different decision from royalty per sale.
Run the math before you decide.
Enter your price and page estimate — see the per-copy royalty and the sales needed to clear your costs.