Language
All major interface copy switches instantly across the calculator, blog, and settings pages.
Current reading direction
Left to right
Works on mobile, desktop, and RTL languages
Appearance
Switch themes without losing your current scenario.
Accessibility
The site keeps focus visibility, keyboard access, semantic headings, and readable contrast in both LTR and RTL layouts.
The site keeps focus visibility, keyboard access, semantic headings, and readable contrast in both LTR and RTL layouts.
Visible focus states for keyboard users
Semantic headings and readable spacing
Consistent reading direction across calculator, blog, and settings
Responsive layouts for desktop, tablet, and mobile
About this project
This tool is designed to help Amazon sellers evaluate profit potential quickly, then continue learning through practical blog content and reusable scenarios.
This calculator provides estimates only. Always confirm category-specific fees, taxes, and promotional effects with Amazon and your accountant.