Marketplace Commission Calculator
True marketplace take rate.
Calculate marketplace total fees from commission, payment, listing, and advertising percentages. Enter sale price and payment fee for an instant result.
What this tool does
This tool calculates total marketplace fees and net revenue from sale price, commission, payment fee, listing, and ads.
Enter Values
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.
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. Flip one at a time toward extreme values to feel which ones move the needle most for your situation.
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
Total fees = sale × (commission + payment + ads %) + listing fee. Net = sale - fees. Take rate = fees ÷ sale × 100.
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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