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Margin calculator for cross-border sellers

Gross margin per unit after product cost, freight, platform fee, returns and ads. Runs in your browser; nothing is sent to us.

Your numbers

In your purchase currency. Leave blank to see only the break-even cost.

1 unit of purchase currency = this much selling currency.

Package size (cm)

Amounts are in your selling currency unless noted. Example values are filled in to start.

Per unit

Chargeable weight
0.30 kg
Product cost
6.30
Freight
2.52
Platform fee
4.50
Returns
1.50
Ads
3.00
Gross profit
12.17
Gross margin
40.6%
Break-even product cost
131.95

Estimate: product cost not confirmed

Fee used: Amazon 15% (min $0.30). Typical US rates from each platform's public fee pages as of October 2026. Categories differ a lot, so check the platform's site.

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