Calculate your true net profit margin across Amazon, Shopify, eBay, Etsy, TikTok Shop, and Walmart. Enter your selling price, COGS, shipping, and advertising costs to see exactly what you keep after every fee.
Select Your Selling Platform
Currency:
💵
Revenue
What the customer pays you
Selling PriceThe price shown on your listing
$
Units Sold (Monthly)For projection calculations below
🏭
Cost of Goods (COGS)
What the product costs you to make or buy
Product Cost / UnitManufacturing, wholesale, or landed cost
Amazon Standard: 15% referral fee on most categories. FBA fee applied separately under shipping. Payment processing included in Amazon's fee structure.
Total Platform Fees$8.15
📣
Advertising & Marketing
Paid traffic costs attributed per unit
Ad Spend per UnitPPC, Meta Ads, Google Ads, influencer
$
Creator / Affiliate Commission% of sale paid to creator or affiliate
%
Other Costs / UnitPhotography, software, storage, overhead
$
Total Marketing & Other$3.50
NET PROFIT PER UNIT
—
Enter your numbers to calculate
Calculating…
-50%0%20%40%+
Net Margin: —
Full P&L Breakdown — Per Unit
Selling Price
$39.99
Cost of Goods
— $9.25
Shipping & Fulfilment
— $7.72
Platform Fees
— $8.15
Marketing & Other
— $3.50
Net Profit
$11.37
Monthly Projections
—
Monthly Revenue
—
Monthly Net Profit
—
Break-even Units
—
Annual Profit (est.)
Monthly volume100 units
Platform Fee Comparison (same product)
💰 Profit Margin Benchmarks
Amazon FBA: target 20%+ net margin after all fees
Etsy: handmade products should aim for 30–50% margin
Shopify D2C: 25–40% net margin is healthy at scale
Below 15% net margin — re-evaluate your COGS or ad spend
Negative margin = you're paying to sell. Fix immediately.