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The essential margin calculator for online sellers — automatically calculates commissions, shipping costs, and even net profit!

🧾 Margin Calculator for Online Store Sellers — Everything from Commissions to Net Profit in One Place!

The "Shopping Mall Seller Margin Calculator" is a profit analysis tool for sellers that automatically applies commissions from various online stores, including Smart Store, Coupang, and Gmarket,

and quickly calculates accurate margin rates and net profits.

📦 Key Features
• Automatic commissions applied to each store — Simply select a category and commissions are automatically entered.
• Enter product cost, selling price, and shipping costs → Real-time margin calculation.
• Calculate VAT inclusion, advertising costs, card fees, and more.
• Supports four languages — Korean, English, Chinese, and Japanese.
• Save/load functionality — Easily repeat frequently used calculations.
• Intuitive UI — Easy to use even for beginner sellers.

👤 Recommended for:
• Sellers operating on platforms like Smart Store, Coupang, Gmarket, and 11st.
• Beginner sellers curious about product-specific margins/profits.
• Entrepreneurs who need to predict revenue, including commissions and advertising costs.
• Sellers who want quick simulations instead of complex calculations.

📈 Stop calculating with Excel — Manage your profits smartly with the 'Margin Calculator' today!