Royalty Calculator

Estimate your per-copy royalty for print, e-book, and audiobook. Enter your book details and sales price to see earnings across Ink Store, Amazon, and offline channels.

Inner pages only, excluding cover.
Number of colour sheets in a mixed interior.
Enter the amount you receive after the store deducts its fees.

Your estimated royalty

Ink Store Royalty

Amazon Royalty

Offline Sales Royalty

Minimum Sales Price

Author Copy Price

Digital Royalty (70%)

Please note: Author copy price requires a minimum order of 25 copies. All figures are estimates — actual royalties may vary by print batch, paper stock, and courier charges.

Book size guidelines

The calculator supports three standard trim sizes. Use the table below as a reference when choosing your book size.

Trim size Best suited for
5" × 8" / 5.5" × 8.5" Trade paperbacks — fiction and general non-fiction
6" × 9" Novels, memoirs, and academic non-fiction
8" × 10" / 8.5" × 11" Children's books, workbooks, and photo-heavy titles

Custom size, paper, binding & quality

If your book requires a custom trim size, special paper, specific binding, premium print quality, or any other non-standard specification, this calculator cannot provide an accurate estimate. Please contact our team for a personalised royalty calculation and author-copy price.

Contact our team