Ecommerce Profit Calculator

Know Your Real Profit Margins

Stop guessing your bottom line. Our seller margin calculator breaks down every cost — from platform fees to shipping — so you always know your true profit.

Every Cost Accounted For

A real profit tracking system needs to look at the full picture. GrowMargin accounts for all the sneaky costs that eat into your margins.

  • Product Cost (COGS)
  • Platform Fees (Amazon, Shopify, Etsy, Custom)
  • Shipping & Fulfillment
  • Ads Cost (CAC / ROAS)Pro Plan
  • Taxes & Payment Processing
Final Profit$14.50
Sale Price$50.00
COGS-$15.00
Platform Fee-$7.50
Shipping-$8.00
Ad Spend-$5.00
Net Margin 29%

Ready to master your margins?

Join sellers who use GrowMargin to calculate ecommerce profit accurately and scale with confidence.