Free Calculators for Resellers
Fees, profit and the most to pay — for eBay, Mercari, Poshmark and Facebook Marketplace, with the fees the marketplaces charge in October 2026. No account, nothing to install.
eBay Fee Calculator
What eBay takes and what you keep — final value fee, per-order fee, ads, shipping and your profit.
Mercari Fee Calculator
Mercari's 10% on the item and the shipping the buyer pays — and your profit after the label and cost.
Poshmark Fee Calculator
20% on sales of $15+, a flat $2.95 below — what you keep and your profit.
Facebook Marketplace Fee Calculator
Free for local pickup, 10% (min $0.80) on shipped orders — what you keep either way.
Reseller Profit Calculator
One item, five ways to sell it: fees, what you keep, profit and ROI on each.
Max Buy Price Calculator
What it sells for and the profit you want → the most you can pay for it.
Sold Price Lookup
What popular models actually sold for on eBay — median, range and the latest sales.