Know Your Real Take-Home Net Profit
Instantly calculate seller margins, compare platform fees side-by-side across Etsy, Amazon FBA, Shopify, eBay, and TikTok Shop, and export client sourcing reports.
⚙️ Sourcing & Pricing Inputs
Real-time Update📊 Revenue & Fee Allocation
⚡ Multi-Platform Side-by-Side Comparison
Real-time comparison across all 5 marketplacesDedicated Platform Profit Calculators
Dive deep into platform-specific fee schedules, sizing tiers, advertising metrics, and reverse margin pricing.
Amazon FBA Calculator
Calculate 15% referral cuts, FBA pick & pack tiers, monthly storage surcharges, and compare FBA vs FBM.
Shopify Profit Calculator
Calculate Shopify Payments rates (2.9% + $0.30), contribution margin, and blended Meta/TikTok ad CAC.
Etsy Fee Calculator
Calculate $0.20 listing fees, 6.5% transaction cut, 3% + $0.25 payment processing, and Offsite Ads.
eBay Fee Calculator
Calculate 13.25% + $0.30 Final Value Fees, Promoted Listings Standard/Advanced, and store subscription savings.
TikTok Shop Calculator
Calculate 6.0% referral fees, order processing, creator affiliate commissions, and viral social margins.
Frequently Asked Questions
Everything you need to know about platform fee formulas and margin calculations.
How does Etsy calculate seller transaction and processing fees?
Etsy charges a $0.20 flat listing fee per item, a 6.5% transaction fee on the item retail price, and a payment processing fee of 3% + $0.25 on the total order amount (sale price plus buyer shipping charged). Learn more on our Etsy Calculator page.
What is the main difference between selling on Etsy vs Shopify?
Etsy charges listing fees ($0.20) and a 6.5% transaction cut on every order in exchange for marketplace traffic. Shopify charges a flat monthly store subscription (starting at $29-$39/mo) with lower payment processing fees (2.9% + $0.30) and zero listing fees, giving you higher margins on scale. Compare on our Shopify Calculator page.
How is Net Profit Margin % calculated?
Net Profit Margin % is calculated as:
(Total Revenue - COGS - Out-of-Pocket Shipping - Ad Spend - Total Platform Fees) / Total Revenue * 100.
How does Amazon FBA compare to selling on eBay?
Amazon FBA charges a 15% referral fee plus pick/pack fulfillment fees and monthly storage, but provides Prime 2-day delivery. eBay charges 13.25% + $0.30 with zero mandatory storage fees. Check our Amazon FBA Calculator and eBay Calculator.