Profit calculator
Calculate net profit margin after COGS, shipping, platform fees, payment fees, ad spend, returns, and overhead.
Use this to estimate real order-level profit after the costs that gross margin hides.
Net profit
$12.50
Net margin
20.8%
Total cost
$47.50
Fee total
$9.00
Net profit = revenue - all order-level costs.
Net margin = net profit / revenue. This is usually the clearest first-order profitability metric.
This calculator is a simplified planning model. Tax treatment, refunds, subscriptions, and inventory costs may require a more detailed P&L. Last config update: 2026-07-06.
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Use Net Profit Margin Calculator before listing, reordering, or launching ads. Start with conservative costs, then test how price and fees change profit.
Net Profit Margin Calculator follows a simple seller economics model: revenue minus product cost, shipping, platform fees, payment fees, advertising, and other order-level costs.
A seller can enter a target price, product cost, shipping cost, and fee rate, then compare profit margin before deciding whether the item deserves more research.
The most common issue is treating marketplace revenue as profit. Net Profit Margin Calculator helps expose hidden costs before they become expensive inventory mistakes.
Returns, refunds, and unsellable inventory can materially reduce profit. Use an average expected loss per order.
Yes when you want a realistic net margin. Divide monthly software, storage, and admin costs by expected monthly orders.