Free ToolNew: Amazon KDP Spine & Cover Calculator is now 100% free! Calculate print specs instantly.
Market Intelligence

KDP Royalty & Market Viability Estimator

Back to Tools

Book Specifications

(Min: 24, Max: 600)
$

KDP Promotion & PPC Ad Simulator

Simulate normal organic sales. Standard Amazon delivery charges are integrated in printing calculations.

Cost per click
(e.g., 10% = 10 clicks per sale)

Automated Cover Spine Math

Paper Spine Width0.2702"
Minimum Pages24 pages
Bleed Requirement0.125" borders
Wrap Safety margins0.25" margins

Spine formulas based on Amazon KDP template specifications (White Paper: 0.002252" per page, Cream Paper: 0.0025" per page, Color: 0.002347" per page).

Financial Summary

Base Trim Cost$2.29
Gross Royalty$3.10
Ad Cost (Per Book Sold)$3.50
Net Profit Margin$-0.40
Margin %-4.4%

Niche Viability Scoring

AI Market Viability Score
5/100
poor POTENTIAL

High Risk / Crowded Market. Ad costs (PPC) and low pricing thresholds will likely wash out margins. Recommend selecting narrower sub-niches.

Amazon KDP Trends Updated July 2026
KDP Royalty & Market Viability Estimator | KDPage