Ecommerce Profit Calculator

💰 Calculate Your Real Profit Before You Sell
Selling online? Know your profit BEFORE you list! The eCommerce Profit Calculator helps you estimate your actual profit after platform fees, shipping costs, and item expenses — so you never undersell again.
Supports 6 Major Platforms:
✓ eBay (10+ category-specific fee rates)
✓ Amazon (13 categories + Individual/Professional plans)
✓ Etsy
✓ TCGplayer
✓ Mercari
✓ Poshmark
🎯 Key Features
Smart Calculations

Calculate net profit after all fees
See detailed fee breakdowns
Factor in shipping costs
Include promotional ad costs
Apply Top Rated Seller discounts (eBay)
Track purchase tax on your inventory
Account for buyer sales tax

📦 Barcode Scanner

Scan any item's barcode to instantly look up active eBay listings
Sale Price auto-fills with the lowest current listing price
View US or worldwide listings
Video game support — see Complete In Box (CIB) prices separately
Flip Opportunity indicator shows estimated profit based on your item cost

Compare All Platforms

Instantly compare profits across all 6 platforms
See which platform gives you the best return
Make data-driven listing decisions
Maximize your earnings

Multi-Currency Support

USD, EUR, GBP, CAD, AUD, JPY, MXN
Perfect for international sellers

Category-Specific Fees

Accurate rates for different product categories
eBay: Trading cards, jewelry, electronics, and more
Amazon: Apparel tiers, books, electronics, and more

Clean & Easy to Use

Beautiful, intuitive interface
No accounts, no tracking
Instant calculations
Clear all fields with one tap

📊 Perfect For
Resellers, flippers, small business owners, dropshippers, and anyone who sells on multiple platforms and wants to maximize their profit on every sale.
🔒 Privacy First
We don't collect ANY data. Your calculations stay on your device. No tracking, no accounts, no data sharing.
⚠️ Disclaimer
This calculator provides estimates based on publicly available fee information. Actual fees may vary based on your account status, promotions, and other factors. Always verify fees on official platform websites before listing. Not affiliated with or endorsed by eBay, Amazon, Etsy, TCGplayer, Mercari, or Poshmark.
This app contains affiliate links to eBay. If you make a purchase through these links, we may earn a small commission at no extra cost to you.
Questions or feedback? Contact us at: eCommerceProfitCalculator@gmail.com