Marketplace fees and seller tax assumptions
Start with the rules that apply to your account, then compare them with a real statement. These guides explain which amounts belong in each cost or fee input and where a manual assumption needs checking.
Start with a calculation
Etsy Fee & Profit Calculator
Understand fees, postage and your take-home contribution.
Amazon FBA Profit Calculator
Estimate profit using the Amazon fees you enter.
eBay Fee & Profit Calculator
Use the right fee assumptions for your account.
Shopify Profit Calculator
Include your gateway, plan and fulfilment costs.
Understand the costs behind the result
Etsy fees explained: UK and US seller profit inputs
Check listing, transaction, processing, postage, Offsite Ads and fee VAT assumptions before using an Etsy fee and profit calculator.
Read the guide →Amazon FBA profit: fees and costs to include
Build an Amazon FBA profit estimate using verified referral, fulfilment, storage and inbound charges, plus sourcing, advertising and return costs.
Read the guide →eBay seller fees: category, account and postage inputs
Choose applicable eBay final value and fixed fees, account for postage and promoted listings, and avoid double-counting payment processing.
Read the guide →VAT-inclusive prices and sales tax: separate tax from revenue
Understand entered VAT-inclusive and exclusive prices, keep marketplace-collected sales tax out of revenue, and use consistent cost assumptions.
Read the guide →VAT on Etsy and marketplace seller fees: pricing assumptions
Separate VAT charged on seller fees from VAT on a sale, understand the recovery assumption, and check fee statements before pricing products.
Read the guide →How to compare product profit in GBP and USD
Keep currency conversion separate from fee-country selection, compare complete selling costs, and avoid mixing pounds and dollars in one calculation.
Read the guide →How to include Shopify plan, app and payment costs
Separate Shopify payment processing, applicable third-party charges and monthly plan or app overhead when estimating product profit.
Read the guide →How to keep marketplace fee assumptions with a pricing decision
Record fee source dates, account conditions and manual overrides, preserve old reports, and compare new fees without rewriting the past.
Read the guide →Etsy Offsite Ads profit: compare 12% and 15% charges
Compare Etsy order contribution with and without Offsite Ads, include postage and ordinary fees, and handle the USD fee cap with actual manual inputs.
Read the guide →Does Etsy charge fees on postage and shipping?
Understand Etsy fees on buyer delivery charges, separate seller postage costs, and compare free shipping with the same complete order price.
Read the guide →