SellerProfit
Amazon FBA, eBay, Etsy, and dropshipping profit calculators for online sellers.
Amazon FBA Fee Calculator
Referral fee
$4.50
FBA fee (est.)
$3.86
Net profit / unit
$12.13
Monthly net profit
$1,213.00
FBA fulfillment fee estimate based on standard-size non-apparel. Actual fees may vary.
Guides for Online Sellers
Amazon FBA Fees Explained (2025)
Breakdown of referral fees, fulfillment fees, storage fees, and long-term storage charges.
eBay vs Amazon: Where to Sell?
Fee comparison, audience differences, and which platform fits your product type.
Etsy Pricing Strategy for Profit
How to price handmade and print-on-demand items to cover all Etsy fees and still earn.
Dropshipping Margins That Actually Work
Realistic margin targets, hidden costs, and how to calculate true profit per sale.