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An advance is not a bonus on top of royalties β it is royalties paid early. The publisher pays you the advance up front, then holds back your royalty earnings until they have 'earned out' the advance, and only then do new royalty cheques flow. That single mechanism decides how a deal really pays: a large advance is worth more if sales stay low (you keep it regardless), while a generous royalty rate wins if a book sells for years. This calculator takes the advance, your royalty per copy and a realistic sales estimate, and shows how many copies earn the advance out and which deal structure pays you more at your expected sales level.
An advance is money paid before a single copy sells β but it is an advance AGAINST royalties, not a bonus. Enter the advance, your royalty per copy and expected sales to see how many copies earn it out and which deal wins at your realistic sales level.
Almost never in reputable publishing. Advances are paid against future royalties but are not normally repayable if the book underperforms β the publisher absorbs the loss. That is precisely why the advance is the guaranteed part of any deal and the royalty rate matters most for long sellers.
It means cumulative royalties have matched the advance amount. Before that point every royalty dollar repays the advance; after it, new royalty income starts flowing to you. Most first books never fully earn out, which is why the advance is the real money in many debut deals.
No. A large advance often comes with a lower royalty percentage or more rights granted, which can cost you far more over a book's lifetime. Compare the advance against the royalty rate and the rights term, not the headline number alone.
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