Resellane · Free Tool

Know What You’ll Actually Make
Before You List It

Enter your costs and price. See marketplace fees, your real net profit, margin, ROI and break-even — in seconds.

Your sale

Pick your marketplace or dial in your own fee. Every rate is editable.

Marketplace

Marketplace fee %

Fixed fee per order ($)

Defaults are typical estimates. Fees vary by category, seller status and promotions — adjust them to match your account, and override with real fees after a sale.

Sale price ($)

Shipping charged to buyer ($)

Your shipping label cost ($)

What you paid for the item ($)

Other costs: sourcing, packaging ($)

Optional: profit you want to make ($)

Your numbers

Updates as you type.

Estimated net profit

$0.00

Marketplace fees$0.00

Profit margin—

Return on cost (ROI)—

Break-even sale price—

Price for your target profit—

Fees are calculated on sale price + shipping charged, the way most marketplaces do it.

Get your numbers + join the list

Enter your email to download your numbers as a text file. You will be subscribed to the Resellane email list — reseller tips, no spam, unsubscribe anytime.

Price every sale: Reseller Fee & Profit Calculator

The full spreadsheet calculator for Excel and Google Sheets — break-even and target-profit pricing for every listing and offer.

See the calculator — $5

Track it all: Profit & Inventory Tracker

Inventory, sales, fees and real profit in one dashboard for Excel and Google Sheets. Know what you paid. Know what you made.

See the tracker — $8

This free calculator gives estimates for planning. Marketplace fees change and vary by category and account; it is not tax, accounting or financial advice. Resellane is not affiliated with eBay, Poshmark, Mercari, Depop, Etsy, Whatnot or Meta.