How do Amazon KDP royalties work?

Amazon KDP royalties depend on format. Kindle eBooks typically use either a 35% or 70% royalty option, while paperback and hardcover royalties depend on list price and printing costs. Kindle Unlimited income is based on pages read rather than unit sales.

What is the difference between 35% and 70% Kindle royalties?

The 70% royalty option can produce higher earnings per sale, but it comes with pricing and territory conditions and includes delivery costs. The 35% option is simpler and is often used when a book does not qualify for the 70% structure.

How are paperback and hardcover royalties calculated?

Print royalties depend on the royalty rate Amazon applies to the print format and the printing cost of the book. Factors such as page count, trim size, ink type, and marketplace affect the final royalty.

How do Kindle Unlimited royalties work?

Kindle Unlimited royalties are based on the author’s share of pages read through the KDP Select Global Fund. This means income from KU can vary from month to month depending on the fund and total reading activity.

Amazon KDP Royalties Explained

Many authors understand that Amazon KDP pays royalties, but the exact structure can feel confusing because Kindle eBooks, paperbacks, hardcovers, and Kindle Unlimited do not all follow the same rules. Authors often search for royalty explanations when they want to estimate income more accurately before choosing a price or a format.

The most important thing to understand is that royalties are not just a percentage label. Real earnings depend on list price, royalty rate, delivery costs for eBooks, printing costs for print books, and in the case of Kindle Unlimited, the number of pages readers actually consume.

Understand how Kindle, paperback, hardcover, and KU royalties differ
See how royalty rates interact with pricing and costs
Learn why per-sale royalties and total income are not the same thing
Use royalty logic to make better publishing and pricing decisions

This page explains KDP royalties in a practical way so authors can understand how each format works, what affects per-sale income, and how to think more clearly about royalties inside a larger revenue strategy.

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Why KDP Royalties Feel Complicated at First

Authors often expect one simple royalty rule, but Amazon KDP uses different royalty logic for different formats. Kindle eBooks use royalty options that depend on pricing and eligibility, print books depend heavily on manufacturing costs, and Kindle Unlimited income comes from a pooled pages-read system. Because of this, understanding KDP royalties requires looking at format, pricing, and reader behavior together rather than treating all revenue as one category.

Kindle eBook Royalties: 35% vs 70%

For Kindle eBooks, the core royalty question is usually whether a book fits the 35% or 70% structure. The higher option can create much better earnings per sale, but it also depends on pricing rules, supported territories, and delivery cost deductions. This means a lower list price is not always worse, and a higher royalty percentage does not automatically guarantee the strongest real-world outcome if the pricing strategy is weak.

Print Royalties: Paperback and Hardcover

Paperback and hardcover royalties work differently because Amazon must manufacture each copy. That means printing cost becomes a direct part of the royalty calculation. Page count, trim size, ink type, and marketplace all affect how much is left after printing is deducted. This is why two books with the same list price can still produce very different print royalties depending on production choices.

Kindle Unlimited Royalties and Pages Read

Kindle Unlimited adds another layer because authors are not paid per book sale in the usual sense. Instead, royalties depend on pages read and the share of the KDP Select Global Fund. This can be very powerful for books that generate strong reader completion, but it also means KU income is less fixed and more dynamic than ordinary unit-sale royalties.

Use Royalty Understanding to Improve Revenue Decisions

The real value of understanding KDP royalties is not just knowing the formulas. It is being able to make better decisions about price, format, production cost, niche strategy, and expected income. Authors who understand royalties clearly can use calculators, BSR-based estimates, and pricing experiments much more effectively than authors who focus only on headline percentages.