Know the real margin

Reselling Profit Calculator

Calculate profit, margin, ROI, break-even revenue, and a suggested tax reserve after every cost.

profit marginROIbreak-even

Revenue and costs

Include every cost you expect to pay.

Sale price$Buyer-paid shipping$Item cost$Your shipping cost$Packaging cost$Cleaning, repairs, and other$Marketplace fee rate%Fixed transaction fee$Optional tax reserve%A planning reserve, not a tax calculation.

Estimated outcome

$25.30

Profit before optional tax reserve

50.6% margin

ROI

253.0%

Profit ÷ item cost

Take-home

$20.24

After $5.06 reserve

Break-even revenue

$20.72

Minimum to cover costs

50% margin revenue

$49.18

At the entered fee rate

Gross revenue$50.00

Marketplace fees-$7.20

All costs and fees-$24.70

Operating profit$25.30

Free account required

Create Free Account Log In

Questions sellers ask

What should I include as a cost?

Include inventory, shipping labels, packaging, cleaning, repairs, platform fees, promotion, and any other sale-specific expense.

What is reseller ROI?

ROI compares profit with the amount invested in the item. Margin compares profit with gross revenue. Both reveal different parts of the sale.

Turn the estimate into a listing.

Build one organized listing and prepare it for every supported marketplace from the Prismalist workspace.

Start Free Trial

More free tools

Keep working the numbers.

View All

Fee CalculatorCompare seller take-home Shipping EstimatorPlan package costs Title GeneratorWrite search-ready titles