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Work Out What You Actually Keep Per Copy, Absolutely Free!

Wondering why a long paperback earns so little at the same price as a short one? You’re in the right place! Printing cost scales with page count and comes off your share before you see a cent. Enter a price, a page count and an ink type to get the printing cost, the royalty per copy, and the lowest price the book can be listed at without losing money. Paperback and Kindle, no sign-up.

Work out what you actually earn per book

Enter a list price and a page count and see the printing cost, the royalty rate that applies, what you keep per copy, and the lowest price the book can be sold at without losing money.

The price on the Amazon.com product page.

Used only for the total at the bottom.

$5.59royalty per copy
Printing cost$1.00 + $0.01 per page
$3.40
Royalty ratethe rate changes at $9.99
60%
Minimum list pricebelow this the book cannot be published
$6.80
Total on 100 copiesbefore tax and before advertising
$559.40

Figures from Amazon KDP, Amazon.com marketplace, standard distribution, checked 2026-07-09. They change without notice, so confirm before you commit to a price.

  • The printing cost firstRoyalty is a share of the list price minus what it costs to print. The printing cost is shown on its own, because it is the part people forget.
  • The minimum priceBelow a certain list price a paperback cannot be published at all, because the royalty will not cover the print run. That floor is calculated for you.
  • Paperback and KindleBoth royalty models, including the delivery fee that quietly comes off the 70 percent Kindle rate.

How it works

  1. Choose paperback or Kindle and enter your list price.
  2. Add the page count and ink type, or the file size for an ebook.
  3. Read the printing cost, the royalty per copy and the minimum price.

The number that surprises people

Royalty on a paperback is not a percentage of the cover price. It is a percentage of the cover price with the printing cost taken off, and the printing cost is driven almost entirely by page count. A 400 page book costs roughly twice as much to print as a 200 page one, so two books at the same price can pay very differently.

This is where a first paperback goes wrong. Someone prices a long book at what feels reasonable next to comparable titles, and the margin left after printing is a few cents. The fix is to run the number before the price is set rather than after the first royalty statement.

How the two rates work

A paperback earns the higher royalty rate at and above a threshold list price, and a lower rate below it. That produces a cliff rather than a slope: pricing a book just under the threshold can pay less per copy than pricing it just over, even though the buyer pays less. The calculator shows which side of that line you are on.

Kindle works differently. There are two plans, and the higher one is only available inside a price band. Above or below that band you drop to the lower rate, which is less than half as much per sale. The higher plan also carries a delivery charge based on the size of the file, which is why an image-heavy book can earn noticeably less than a plain text one at the same price.

The minimum list price, and why it exists

Every paperback has a price below which it cannot be listed. The retailer takes its share off the top, and what is left has to cover printing. If the list price is low enough that it does not, there is no price to publish at, and the upload is rejected.

Working backwards from that floor is the useful move. It tells you what the book has to be worth to a reader before it is worth printing at all, and on a long book the answer is often higher than the author expected. If the floor comes out above what the market will pay, the lever is page count rather than price: tighter interior design, a smaller trim size, or fewer pages.

Where these numbers come from, and when to check them

The rates here are Amazon's published figures for the Amazon.com marketplace on standard distribution, and the date they were last checked is printed under the results. Amazon changes them, expanded distribution pays differently, and other marketplaces have their own printing costs in their own currencies. Treat this as the arithmetic done correctly against a known table, and confirm the table against KDP before you commit to a price.

One thing the calculator cannot tell you is whether the book is worth its price, which is mostly a question of how it looks. A well-designed interior and a cover that reads at thumbnail size support a higher price than a converted manuscript does. Designrr builds that side of it, turning your content into a laid-out book with templates, a cover designer and an automatic contents page.

Questions

Why is my royalty so low on a long book?

Because printing cost scales with page count and comes straight off your share. Past a few hundred pages it can be most of the margin. Either the price goes up or the page count comes down.

What is the minimum list price?

The lowest price at which your royalty still covers the printing cost. Below it the book cannot be published. It is the printing cost divided by the royalty rate, and the calculator shows it for your page count.

Why does the Kindle rate drop outside a price band?

The 70 percent plan is only offered within a set price range. Price above or below it and you fall to 35 percent, which usually means earning less per copy at a higher price.

What is the delivery fee?

On the 70 percent Kindle plan Amazon charges per megabyte of file size, deducted from each sale. A text-only book is negligible. An illustrated one is not.

Does this cover expanded distribution?

No. These are standard distribution rates for Amazon.com. Expanded distribution pays a lower rate on the same printing cost, so the minimum list price is higher.

Are these rates current?

The date they were last checked is printed under the results. Amazon changes its printing costs without much notice, so confirm against KDP before setting a final price.

Price Your First Book Free Today

A 200-page black-ink paperback costs $3.40 to print. A 600-page colour one costs $49. Once you know what the book has to earn, the question is whether it looks worth the asking price. Step up with Designrr and build the designed interior and the cover from content you already have. Start small, grow big with Designrr.

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