Marketplace Commission Calculator
True marketplace take rate.
Calculate marketplace total fees from commission, payment processing, listing, and advertising percentages applied to the sale price.
What this tool does
Net revenue from a marketplace sale equals the sale price minus all associated fees: commission percentage, payment processing fee percentage, listing fee, and advertising spend as a percentage of the sale. This calculator takes your sale price and each fee component, then shows the total fees deducted and the net revenue you retain. The result illustrates your actual take-home amount and your overall take rate—the percentage of each sale consumed by fees. Commission percentage and payment fees typically drive the largest impact on net proceeds, though listing fees and advertising costs compound the effect. Results assume fees are calculated as stated and apply consistently; they don't account for refunds, chargebacks, or variable fee structures that may apply to different sale amounts or seller tiers. Use this to model different pricing or fee scenarios.
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Formula Used
Spotted something off?
Calculations or display — let us know.
Disclaimer
Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.
Marketplace commission stacks on top of payment processing fees, listing fees, and advertising fees. Amazon: 15% commission + 2.9% payment + optional ads = 18-25% total take. eBay: 10-13% + 2.7% + ads = 13-18%. Etsy: 6.5% + 4% + 0.20 listing + ads = 11-16%. Direct comparison requires calculating total take rate, not just commission.
50 sale × 15% commission + 3% payment + 1 listing + 5% ads = 7.50 + 1.50 + 1 + 2.50 = 12.50 total fees (25% take rate). Net revenue 37.50. For 10 products, 25% is crushing. Volume products on high-take marketplaces need 60-70% gross margin to stay profitable after all fees.
Most profitable marketplace strategies: niche high-margin products (handmade, custom, specialty), bundles that lift AOV above fixed fees, own-brand products where you control margin, avoiding ads that eat additional 10-15%. Marketplaces work well as discovery channel but brand-building + owned website often captures more long-term value.
Quick example
With sale price of 50 and commission of 15% (plus payment fee of 3% and listing fee of 1), the result is 12.50. 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 Sale Price, Commission %, Payment Fee %, Listing Fee, and Ads % of Sale. 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
Total fees = sale × (commission + payment + ads %) + listing fee. Net = sale - fees. Take rate = fees ÷ sale × 100. 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.
Using this as a check-in
Re-run this every three months. A single reading tells you where you stand; four readings tell you whether things are improving. The trend matters more than any individual snapshot.
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.
££50 × (15% + 3% + 5%) + ££1 = 12.50.
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 the total fees a seller incurs on a marketplace transaction by summing three percentage-based costs applied to the sale price—commission, payment processing, and advertising—then adding any fixed listing fee. The formula treats each cost component as independent and applies them additively. It then derives the take rate by dividing total fees by the sale price and expressing the result as a percentage. The model assumes a flat-rate fee structure with no volume discounts, no variable payment fees based on payment method, and no changes to fees across transaction types. It does not account for refunds, chargebacks, seller reimbursements, or the compounding effect of fees on net proceeds.
References
Frequently Asked Questions
Amazon vs eBay vs Etsy?
Can I avoid ads?
How to reduce fees?
Marketplace vs own site?
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