Margin Calculator
In-app purchases
Everyone
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10+
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Everyone
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About this app
Margin Calculator is a profit and margin calculation tool for small business owners, online sellers, solo entrepreneurs, and freelance sellers.
Beyond simple calculations based only on selling price and cost, it helps you check the actual amount you earn by reflecting platform fees, payment fees, shipping costs, packaging costs, advertising costs, VAT, and discounts.
Key Features
Profit calculation
Enter selling price, cost, fees, shipping costs, and other expenses to calculate net profit, margin rate, total cost, and profit/loss status in real time.
Target selling price calculation
Calculate the recommended selling price and break-even selling price based on cost and target margin rate.
Discount calculation
Check the final selling price, net profit after discount, and margin rate changes when applying a discount rate or discount amount.
VAT calculation
Quickly calculate total amount, supply value, and VAT.
Save calculation history
Save frequently calculated products or estimates and load them again later.
Monthly profit and portfolio management
Compare expected monthly profit and the profitability of multiple products.
Recommended for
Online store sellers
Smart Store, Coupang, and open market sellers
Cafe, restaurant, and retail store owners
Prospective entrepreneurs who need to set selling prices
Anyone who wants to quickly check product margins and profit/loss
Data processing information
Margin Calculator can be used without signing up. Calculation history and settings are stored in the local storage of the user’s device.
Selected data may be transferred to external apps only when the user directly uses backup, sharing, PDF saving, or printing features.
Disclaimer
The calculation results provided by this app are for reference only and are based on the values entered by the user.
Please consult a professional for tax, accounting, or legal decisions.
Beyond simple calculations based only on selling price and cost, it helps you check the actual amount you earn by reflecting platform fees, payment fees, shipping costs, packaging costs, advertising costs, VAT, and discounts.
Key Features
Profit calculation
Enter selling price, cost, fees, shipping costs, and other expenses to calculate net profit, margin rate, total cost, and profit/loss status in real time.
Target selling price calculation
Calculate the recommended selling price and break-even selling price based on cost and target margin rate.
Discount calculation
Check the final selling price, net profit after discount, and margin rate changes when applying a discount rate or discount amount.
VAT calculation
Quickly calculate total amount, supply value, and VAT.
Save calculation history
Save frequently calculated products or estimates and load them again later.
Monthly profit and portfolio management
Compare expected monthly profit and the profitability of multiple products.
Recommended for
Online store sellers
Smart Store, Coupang, and open market sellers
Cafe, restaurant, and retail store owners
Prospective entrepreneurs who need to set selling prices
Anyone who wants to quickly check product margins and profit/loss
Data processing information
Margin Calculator can be used without signing up. Calculation history and settings are stored in the local storage of the user’s device.
Selected data may be transferred to external apps only when the user directly uses backup, sharing, PDF saving, or printing features.
Disclaimer
The calculation results provided by this app are for reference only and are based on the values entered by the user.
Please consult a professional for tax, accounting, or legal decisions.
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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What’s new
- Improved the Delivery Profit calculator and profit structure view.
- Refined result cards, charts, tooltips, and history details for clearer analysis.
- Improved Cost screen consistency, dark mode readability, and graph amount labels.
- Added English wording refinements and improved iPad layout stability.
Everyone
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About the developer
황민호
cslovexp@gmail.com
한천로130길 46
메종빌라, 2 601호
강북구, 서울특별시 01060
South Korea