Amazon Kdp Calculator

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Amazon KDP Royalty & Printing Calculator

Calculate your net earnings per book sale on Amazon

Paperback Hardcover eBook (70% Tier)
Black & White (Cream/White) Premium Color Standard Color
Printing Cost: $0.00
Amazon Commission: $0.00
Estimated Net Royalty: $0.00

How Amazon KDP Royalties Are Calculated

Understanding your profit margins is essential for any self-published author. Amazon Kindle Direct Publishing (KDP) uses specific formulas depending on whether you are selling a digital eBook or a physical print-on-demand book.

Paperback & Hardcover Logic

For physical books, Amazon takes a 40% fixed commission of the list price. From the remaining 60%, the printing cost is deducted. The math follows this formula:

(List Price × 60%) – Printing Costs = Your Royalty

Printing Cost Breakdown (Amazon.com)

  • Black & White: $0.85 fixed cost + $0.012 per page (for books over 108 pages).
  • Standard Color: $0.85 fixed cost + $0.036 per page.
  • Premium Color: $0.85 fixed cost + $0.07 per page.

eBook Royalties

eBooks are simpler but include a "delivery fee" based on file size if you choose the 70% royalty option. For the 35% royalty option, there is no delivery fee. Most authors opt for the 70% tier for prices between $2.99 and $9.99.

Example Calculation

If you sell a 200-page Black & White paperback for $15.00:

  1. Amazon Commission (40%): $6.00
  2. Printing Cost: $0.85 + (200 * 0.012) = $3.25
  3. Total Deduction: $6.00 + $3.25 = $9.25
  4. Your Profit: $5.75
function toggleFields() { var format = document.getElementById("bookFormat").value; var pageDiv = document.getElementById("pageCountDiv"); var inkDiv = document.getElementById("inkTypeDiv"); if (format === "ebook") { pageDiv.style.display = "none"; inkDiv.style.display = "none"; } else { pageDiv.style.display = "flex"; inkDiv.style.display = "flex"; } } function calculateKDPRoyalty() { var format = document.getElementById("bookFormat").value; var listPrice = parseFloat(document.getElementById("listPrice").value); var pageCount = parseInt(document.getElementById("pageCount").value); var inkType = document.getElementById("inkType").value; var printingCost = 0; var commission = 0; var royalty = 0; if (isNaN(listPrice) || listPrice <= 0) { alert("Please enter a valid list price."); return; } if (format === "ebook") { // Simplified eBook calculation (70% minus estimated small delivery fee) printingCost = 0; commission = listPrice * 0.30; var deliveryFee = 0.15; // Average delivery fee royalty = listPrice – commission – deliveryFee; } else { if (isNaN(pageCount) || pageCount <= 0) { alert("Please enter a valid page count."); return; } // Calculate Printing Cost based on KDP US rates if (format === "paperback") { if (inkType === "bw") { if (pageCount < 108) { printingCost = 2.15; // Minimum fixed for low page count } else { printingCost = 0.85 + (pageCount * 0.012); } } else if (inkType === "colorStandard") { printingCost = 0.85 + (pageCount * 0.036); } else { // Premium Color printingCost = 0.85 + (pageCount * 0.07); } commission = listPrice * 0.40; } else if (format === "hardcover") { // Hardcover has higher base costs if (inkType === "bw") { printingCost = 5.65 + (pageCount * 0.012); } else { printingCost = 5.65 + (pageCount * 0.07); } commission = listPrice * 0.40; } royalty = (listPrice * 0.60) – printingCost; } if (royalty < 0) { royalty = 0; } document.getElementById("resPrintCost").innerText = "$" + printingCost.toFixed(2); document.getElementById("resCommission").innerText = "$" + commission.toFixed(2); document.getElementById("resRoyalty").innerText = "$" + royalty.toFixed(2); document.getElementById("kdpResult").style.display = "block"; }

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