Business Marketplace
Marketplace fee calculator
Platform
Sale price
Shipping charged
Cost of goods
Your shipping cost
Percentage fee
%
Fixed fee per order
Other fees
Net to you 24.7
10% + 0.3 fixed
Total fees 5.3
Effective fee rate 10.6 %
Margin 49.4 %
Customer pays 50
Break-even price 22.56
Fixed fees punish small baskets
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320 × 100
Net proceeds are the total the customer pays, less a percentage fee, a fixed fee and any listing charges, less your own costs. At 10% plus 0.30 on a 50 sale, fees are 5.30 and the effective rate is 10.6%.
How to compare platform fees
1 Pick a preset or choose Custom and enter your own rates.
2 Enter the sale price, shipping and your costs.
3 Read the effective fee rate — the fixed fee makes it higher than the headline percentage.
4 Compare the same sale across two platforms by switching the preset.
The fixed fee is what makes low-value sales uneconomic, and the effective rate row exposes it. A 0.30 fixed fee is 0.6% of a 50 order and 6% of a 5 order, so a platform with a low percentage and a high fixed fee is expensive for small baskets and cheap for large ones. That single fact drives minimum order values, bundle pricing and free-shipping thresholds far more than the headline commission does.
Questions
Total fees divided by the total the customer paid. It is always higher than the headline percentage because of the fixed fee.
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