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ESTIMATED ROYALTY PER COPY
—What remains after the retailer-rate amount and printing cost you entered.
Rate amount before print cost
Printing cost
Total for copies entered
Check the retailer calculator too: this models your inputs rather than pretending all print channels use one universal rule.
Show me the boring maths
Estimated royalty per copy = list price × royalty rate − printing cost.
Why this way?
For KDP paperbacks, Amazon documents the royalty formula as royalty rate × tax-exclusive list price − printing cost. We keep both the rate and print cost editable because they vary by marketplace, price and book specifications. KDP paperback royalty documentation ↗