Japan
Amazon KDP Royalty Calculator JP
Estimate fees and profitability with source-linked assumptions. Results are planning estimates and should be checked against official platform and tax guidance.
Last Updated
2026-07-03
Approved snapshot
Inputs
Basic estimate mode: start with price, cost, shipping, ads, and quantity.
Advanced options
Open only when you need platform-specific fees, tax, scenario notes, and saved-draft metadata.
Net profit
¥274
Status
Profitable
Profit per unit
¥274
Max ad spend
¥274
Margin
22.8%
Fee rate
40%
Return on cost
61.4%
Break-even
¥743
Break-even buffer
¥457
Target price
¥1,487
Target margin gap
-7.2%
Target profit price
¥1,577
Target profit gap
-¥226
Estimate the selling price needed to reach either target with the current costs, fees, and platform options.
Share calculation
Copy the current inputs, margin, and fee lines as a plain-text summary.
Next step
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Profit breakdown
Revenue, costs, fees, and remaining profit.
Price sensitivity
Net profit and margin if the selling price moves 30% below or above the current price.
| List price | Net profit | Margin |
|---|---|---|
| ¥840 | -¥26 | -3.1% |
| ¥960 | ¥34 | 3.5% |
| ¥1,080 | ¥202 | 18.7% |
| ¥1,320 | ¥346 | 26.2% |
| ¥1,440 | ¥418 | 29% |
| ¥1,560 | ¥490 | 31.4% |
Fee lines
Royalty share retained by Amazon
Amazon distribution: 60% royalty plan
¥480
Printing cost
Black ink on white or cream paper, regular trim, printing cost for 111-828 pages for 120 pages
¥446
Traceable formula
- KDP Japan paperback printing costs vary by trim size group and supported print option: black ink, groundwood, standard color, or premium color.
- Black ink paperbacks use fixed short-page tiers through 110 pages, then base cost plus per-page cost from 111 pages.
- Groundwood paperbacks use fixed short-page tiers through 112 pages, then base cost plus per-page cost from 114 pages.
- Premium color paperback printing costs use a fixed tier through 40 pages, then base cost plus per-page cost from 42 pages.
- Standard color paperback printing costs are available for 72-600 pages.
- Amazon distribution royalty uses 50% at or below 999 JPY and 60% at or above 1000 JPY.
- Expanded Distribution royalty uses 40%.
- Kindle eBook 70% royalty = 70% x (list price - delivery cost) when the list price is inside the JPY range and Japan-specific eligibility is met.
- JPY delivery costs and royalties are rounded to whole yen; no delivery cost is deducted for JPY eBooks of 10 MB or greater.
- Kindle eBook 35% royalty = 35% x list price and does not deduct delivery cost.
Compliance note
KDP royalty depends on marketplace, format, print options, distribution, and current Amazon pricing matrices. Amazon.co.jp paperbacks use the JPY marketplace printing-cost matrix, 50% royalty at or below 999 JPY, and 60% at or above 1000 JPY; Expanded Distribution uses 40%. Kindle eBook 70% royalty is available only inside the official JPY list-price range, requires KDP Select eligibility for Japan sales, deducts delivery cost below 10 MB, and rounds delivery costs and royalties to whole yen.
FAQ
Does this model Amazon.co.jp paperback royalties?
Yes. It models Amazon.co.jp paperback sales with the official JPY printing-cost matrix and the 50% or 60% royalty threshold.
Why does Japan eBook royalty round to whole yen?
Amazon states that JPY delivery costs and royalties are rounded to the whole number. This page applies that rounding and removes delivery cost for JPY eBooks that are 10 MB or greater.
Disclaimer: This calculator is for planning and educational use only. It does not provide tax, legal, financial, or accounting advice. Platform policies and tax rules can change; use the official sources before making business decisions. Public policy references are linked for Fair Use context and remain owned by their respective publishers.