Free tool for online sellers

Reseller Profit Calculator

Work out what an item actually made after purchase cost, platform fees, packaging and other selling expenses.

Enter the numbers

Purchase cost

What you paid for the item.Selling price

The amount the buyer paid for the item itself.Platform / payment fees

Enter £0 if the platform does not charge you a selling fee.Packaging

Mailing bags, labels, tape and other packing costs.Other costs

Optional: cleaning, repairs, promoted listing costs or other item-specific expenses.

Your result

Estimated profit

£21.25

Total item costs: £3.75
Profit margin: 85.0%
Return on stock cost: 653.8%

This is a simple item-level estimate. It does not include income tax, general business overheads or costs that cannot be attributed to one item.

Need to track more than one item?

Reseller Inventory & Profit Tracker

The calculator works one item at a time. The upcoming tracker is designed to keep your stock, purchase costs, listing platforms, sale prices, expenses and profit together in one place.

Planned launch price: £9

View the tracker →

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