Merch by Amazon Calculator
Print-on-demand royalty.
Calculate Merch by Amazon royalties per sale by entering your list price, production cost, and Amazon's cut to see your per-unit earnings.
What this tool does
This calculator estimates the per-unit royalty earned from each print-on-demand sale through Merch by Amazon. It shows how your list price breaks down after subtracting the production cost and Amazon's commission percentage. The result illustrates both your royalty per sale and the margin retained on each unit. List price and production cost are the primary drivers—small changes in either significantly affect your earnings. A typical scenario might involve pricing a custom t-shirt at a certain amount while accounting for printing and fulfillment expenses, then seeing what remains after the platform's cut. The calculator assumes no additional fees or variable costs beyond those three inputs, and provides estimates for comparison purposes rather than guaranteed earnings figures.
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Formula Used
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Disclaimer
Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.
Merch by Amazon (now Amazon Merch on Demand) pays creators a royalty on each sale after Amazon's cut and production cost. Royalty rates aren't officially disclosed but commonly run 10-30% of list price after costs. Set list price below production cost and you pay Amazon per sale - careful pricing matters.
20 list price. Amazon takes 60% of royalty-relevant revenue = 12. Production cost 7 (t-shirt printing + fulfilment). Royalty = 20 - 12 - 7 = 1 per sale. Yes, that's it. 100 sales = 100. Merch needs volume to matter: a design selling 100/month = 100/month. A viral design doing 2,000/month = 2,000/month.
Merch by Amazon works for: high-volume viral designs (trending quotes, fandoms, holidays), multi-design portfolios (100+ designs each earning 20-100/month), SEO-smart listings with good keywords. Poor for: one-off designs without promotion, high-quality/unique art where 1 per sale undervalues work. Redbubble and TeePublic pay lower royalties typically; Printify + Shopify own-website often higher but requires own traffic.
Quick example
With list price of 20 and production cost of 7 (plus amazon cut of 60%), the result is 1.00. Change any figure and watch the output shift — it's often more useful to see the pattern than to memorise the formula.
Which inputs matter most
You enter List Price, Production Cost, and Amazon Cut %. Not every input has equal weight. Adjusting one input at a time toward extreme values shows which ones move the result most.
What's happening under the hood
Amazon fee = list × cut %. Royalty = list - Amazon fee - production cost. The formula is listed in full below. If the number looks off, you can retrace the calculation by hand — that's the point of showing the working.
What the score tells you
Headline financial numbers — income, savings, debt — each tell part of the story. This calculation stitches several together into a single read you can track over time. The value is in the direction, not the absolute number.
What this doesn't capture
The score is a composite of the inputs you provide. Life context — job security, family obligations, health, housing — doesn't appear in the math but shapes the real picture. Use the number as a prompt, not a verdict.
££20 - (££20 × 60%) - ££7 = 1.00.
Inputs
This example uses typical values for illustration. Adjust the inputs above to match a specific situation and see how the result changes.
Sources & Methodology
Methodology
This calculator computes your royalty per unit sold by subtracting two costs from the list price. It first applies the Amazon cut percentage to your list price to determine the platform fee. It then subtracts both this fee and your production cost from the list price to arrive at your royalty. The model assumes a flat percentage fee structure and treats production costs as constant per unit. It does not account for refunds, returns, payment processing delays, tiered fee structures, or variation in production costs across different product types or order volumes. Results represent the per-unit royalty before any taxes or additional seller fees.
References
Frequently Asked Questions
What royalty is typical?
Why Amazon's cut is so high?
Merch by Amazon alternatives?
Starting tier limitations?
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