100-page eBook
Real KDP royalty calculations for eBooks: when to use 70% vs 35%, how delivery fees affect your take-home, and the price points that maximize earnings.
eBook royalty: the key numbers
At $4.99 in the 70% royalty tier, you earn roughly $3.28 per eBook sale after the $0.30 delivery fee. Drop below $2.99 and you fall to the 35% tier, earning just $1.75 per sale. Go above $9.99 and you drop to 35%, earning $3.50. Less than the 70% tier at $9.99 ($6.78).
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eBook royalty comparison: 70% vs 35%
| List price | 70% royalty | 35% royalty | Best tier |
|---|---|---|---|
| $2.99 | $1.88 | $1.05 | 70% tier |
| $4.99sweet spot | $3.28 | $1.75 | 70% tier |
| $6.99 | $4.68 | $2.45 | 70% tier |
| $7.99 | $5.38 | $2.80 | 70% tier |
| $8.99 | $6.08 | $3.15 | 70% tier |
| $9.99 | $6.78 | $3.50 | 70% tier |
| $11.99 | — | $4.20 | 35% tier |
| $14.99 | — | $5.25 | 35% tier |
| $17.99 | — | $6.30 | 35% tier |
| $24.99 | — | $8.75 | 35% tier |
70% royalty: eligible $2.99 to $9.99, delivery fee ($0.15/MB) deducted. 35% royalty: eligible $0.99 to $200, no delivery fee. 2 MB file assumed.
How eBook royalties work on KDP
Who actually publishes at this length
100-page eBooks dominate Kindle's non-fiction shorts segment: career advice, parenting guides, beginner investing, short fiction novellas (especially romance shorts and thrillers). Categories like Kindle Store > Kindle eBooks > Self-Help > Communication & Social Skills routinely show titles in this length at the top of the charts.
Pricing dynamics at 100 pages
Stay in the 70% tier. $4.99 is the conversion-optimal price for a 100-page eBook, with $3.99 a viable alternative for genre fiction where price sensitivity is higher. The 35% tier never makes sense for this length - a $14.99 list earning $5.25 is still beaten by $9.99 earning $6.78.
For Kindle eBooks the math runs differently: at $4.99 in the 70% tier with a 2 MB file you earn roughly $3.28 per sale. At $9.99 (the 70% tier cap) you earn $6.78 per sale. The same book at $10.00 falls to the 35% tier and earns just $3.50. The penny matters.
Real examples in this category
Many of Ryan Holiday's 'Daily Dad' and 'Stillness' style shorts are 80 to 120-page Kindle releases at $4.99. Romance authors like H. M. Ward release 90 to 110-page novellas at $3.99. James Clear-style 'starter guide' eBooks frequently price at $4.99 in this range.
The common mistake at this page count
Enrolling a 100-page eBook in Kindle Unlimited and ignoring unit sales. At current 2026 KENPC rates, a 100-page book earns roughly $0.45 per full read. A $4.99 sale earns $3.41 - seven times more per reader. KU is a discovery channel, not a primary income channel for this length.
Margin math, in concrete terms
Standard delivery fee at 1 to 2 MB is $0.15 to $0.30, so at $4.99 you take home about $3.28 to $3.39 per sale. The economics are clean enough that a single 100-page eBook converting at 2% of 1000 daily impressions earns roughly $60/day in pure royalty.
Tips for your 100-page eBook
Price $2.99 to $9.99 for 70%
The 70% tier earns 2 to 3x the 35% tier at the same price. Never list at $10.00 when $9.99 earns more.
$4.99 is the sweet spot
Priced low enough for impulse buys, high enough to earn $3.28+ per sale in the 70% tier.
Delivery fee is small
At 2 MB, delivery fee is $0.30. Even at 5 MB it is $0.75. The 70% tier still wins for most books.
KDP Select for new books
Enroll for 90 days to access Kindle Countdown Deals and Free Promotions, which boost ranking and reviews.
Above $9.99 loses you money
At $10.00 you earn $3.50 (35%). At $9.99 you earn $6.78 (70%). Always stay below $10 in the 70% tier.
Go wide after 90 days
After KDP Select exclusivity, consider distributing to Kobo, Apple Books, and library services for extra income.
Common questions about this scenario
Compare formats at 100 pages
Other page counts for eBook
Related KDP pricing guides
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