YOUR SELLER TOOLKIT
Your seller toolkit
Estimate platform fees, reconcile costs and price for a profit goal. All four tools run locally in your browser without an account.
Marketplace fee and profit estimates
Dated US / USD rule snapshots with explicit supported categories and account conditions.
US / USD
eBay fee calculator & profit estimate
Use the eBay fee calculator to estimate US selling fees and net profit with supported categories, Store tiers, shipping, tax and attributed General ads.
Open calculator →US / USD
Etsy fee calculator & profit estimate
Use the Etsy fee calculator to estimate US listing, transaction, Payments and attributed Offsite Ads fees, then subtract your costs to estimate profit.
Open calculator →Custom profit and pricing
Your own percentage and fixed fees. These tools do not infer marketplace tiers or advertising status.
CUSTOM FEE MODEL
Profit margin calculator
Calculate net profit and profit margin from seller revenue, your costs and your own selling fee assumptions.
Open calculator →CUSTOM FEE MODEL
Target profit calculator
Find the lowest cent price meeting your target net profit and minimum margin under a custom selling fee model.
Open calculator →Gather inputs before calculating
Use our seller guides for fee checklists and worked examples. The comparison directory explains platform differences. Read our calculation methodology for rounding, source review and coverage limits.