# KDP Calculator Tool

> Free toolkit for self-publishing authors: KDP royalty calculator with 2026 Amazon printing costs across 12 marketplaces, file preflight tools, and Amazon Ads break-even math.

## Pages

- [Home](/): Overview of every tool in the KDP Profit Pilot suite.
- [KDP Royalty & ACoS Calculator](/calculator): Live royalty, true ACoS, and max profitable CPC across 12 KDP marketplaces.
- [Tools index](/tools): Every free tool for KDP authors.
- [The Complete KDP Guide](/guide): Long-form guide to royalties, printing, ads, and break-even math.
- [Amazon Ads Importer](/import): Upload an Amazon Ads CSV/PDF for AI analysis.
- [About](/about): Who built this and why.
- [Contact](/contact): Get in touch.

## Calculators

- [KDP Printing Cost Calculator](/kdp-printing-cost-calculator): B&W, Standard Color, Premium Color tiers per marketplace.
- [Self-Publishing Cost Calculator](/self-publishing-cost-calculator): Total cost to publish a book.
- [Amazon Ads ACoS Calculator](/amazon-ads-acos-calculator): Compute ACoS and break-even bids.
- [Amazon Ads TACoS Calculator](/amazon-ads-tacos-calculator): Total advertising cost of sale.
- [Kindle Unlimited Page Reads Calculator](/kindle-unlimited-page-reads-calculator): Estimate KENP earnings.
- [KDP Expanded Distribution Royalty](/kdp-expanded-distribution-royalty): Royalty math for expanded distribution.
- [Paperback vs Hardcover Profit](/kdp-paperback-vs-hardcover-profit): Side-by-side profit comparison.
- [How Much Do KDP Authors Make](/how-much-do-kdp-authors-make): Realistic earnings benchmarks.

## Tools

- [Cover Converter](/tools/cover-converter): KDP-ready cover file conversion.
- [Manuscript Resizer](/tools/manuscript-resizer): Resize manuscripts to KDP trim sizes.
- [Spine Width Calculator](/tools/spine-calculator): Exact spine width for paperback/hardcover.
- [KDP File Validator](/tools/kdp-validator): Preflight check for KDP submission.
- [Royalty Calculator (standalone)](/tools/royalty-calculator): Quick royalty lookup.
- [Image to PDF](/tools/image-to-pdf): Build a PDF from images.
- [Page Count Estimator](/tools/page-count-estimator): Estimate KDP page count from word count.
- [ISBN Barcode Generator](/tools/isbn-barcode): Free ISBN barcode generator.

## Guides

- [Amazon KDP Ads Guide](/amazon-kdp-ads-guide): Full playbook for KDP Sponsored Ads.

## Optional

- [Pro plan](/pro): Paid upgrade with deeper guide chapters.
- [Starter plan](/starter): Free starter tier.
- [Terms](/terms), [Privacy](/privacy), [Refund policy](/refund-policy): Legal pages.