KDP Guides & Resources
Practical explanations of the numbers and specifications behind self-publishing on Amazon, each paired with a free tool.
The KDP Publishing ChecklistEvery step from manuscript to post-launch, free and printable.- How to Calculate KDP Cover DimensionsLearn the KDP paperback cover formula with bleed and spine, follow a worked 6x9 example in inches, mm and pixels, and avoid the most common cover size mistakes.Read guide
- How KDP Royalties WorkA clear guide to KDP royalties: the 35% and 70% eBook options, delivery costs and VAT, the 50% and 60% print tiers, expanded distribution and printing costs.Read guide
- How to Calculate Paperback Spine WidthCalculate KDP paperback spine width from page count and paper type, learn the 79-page spine text rule and 0.0625" clearance, with worked examples and tables.Read guide
- KDP Trim Sizes ExplainedEvery standard KDP trim size in inches and mm, the regular vs large trim rule and how it affects print cost, common sizes by genre, and how custom sizes work.Read guide
- KDP Bleed ExplainedWhat bleed is, KDP's 0.125" (3.2 mm) bleed requirement, how to size interior pages and covers with bleed, safe margins, and when your book needs bleed at all.Read guide
- How to Price a KDP Book: Paperback and eBook Pricing ExplainedLearn how to price a KDP paperback or eBook: minimum list price, the 50% and 60% royalty tiers, the 70% eBook band, charm pricing, and a worked example.Read guide
- What Is Amazon BSR? Best Sellers Rank Explained for KDP AuthorsWhat Amazon Best Sellers Rank means, overall vs category rank, why BSR moves so much, how sales estimators work, and how to use BSR for niche research.Read guide
- How to Calculate KDP Ad Profit: ACOS, ROAS, CPC and Break-EvenCalculate whether your Amazon ads make money: ACOS, TACOS, ROAS, CPC, CPA, conversion rate, break-even ACOS and break-even CPC, with a worked example.Read guide
- How to Choose KDP Keywords: Filling Your 7 Keyword FieldsHow to choose and format your 7 KDP keyword fields: character limits, phrases vs single words, what to avoid, simple research methods, and formatting tools.Read guide
- How Many Pages Should a Book Have? Word Counts and KDP Page CountsCommon word count ranges by genre, words per page by trim size and font, KDP's 24 to 828 page limits, and how page count affects print cost and spine width.Read guide
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