마진 계산기

Margin Calculator is a fast profit and margin calculator for small business owners and online sellers.

Enter sale price, product cost, platform fees, payment fees, shipping, VAT/tax, or discounts to check net profit and margin in real time. Save calculation history, reopen previous records, review graphs, and export PDF reports.

Key features

• Margin, target price, discount, and VAT/tax calculators
• Editable platform fee presets
• Save, duplicate, favorite, and search calculation records
• Graph view and PDF report export
• Pro Owner Tools: monthly profit, platform comparison, profit structure, and saved record summary
• Light/dark mode and Liquid Glass interface