Marketplace Fee Calculator
Calculate total selling fees, payment processing deductions, and net proceeds for any online marketplace with configurable commission rates.
Marketplace Fee Formula
Total Fees = (Total Transaction × Commission %) + Fixed Order Fee + [(Total Transaction × Payment %) + Payment Fixed Fee] + Listing Fee- Total Transaction Base: Item selling price plus shipping charged to the buyer.
- Marketplace Commission: Percentage cut taken by the marketplace operator (typically 8% to 20%).
- Payment Processing: Payment gateway interchange fee applied to the gross buyer payment.
- Net Proceeds: Total customer payment minus all marketplace deductions.
Step-by-Step Worked Example
Calculation Steps:
How to Use This Calculator
Assumptions & Limitations
- Commission rates apply to the combined item and shipping price unless exempt by platform rules.
- Sales tax collected automatically by marketplace facilitators is excluded from seller payouts.
Frequently Asked Questions
Do marketplaces charge commission on the shipping fee?
Yes. Virtually all major marketplaces (Amazon, eBay, Etsy, Poshmark) charge referral fees on the full transaction amount (item price + shipping) to prevent sellers from listing items for $1 with $50 shipping.
What is an effective fee percentage?
The effective fee percentage is the total dollar amount of all combined fees divided by the gross buyer payment, revealing your true platform cost.
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