Free tools
Useful calculations, no signup.
Two quick calculators you can use right away. Inputs are processed in your browser; there is no form submission or account requirement.
01 / Reselling
Reseller Profit Calculator
Factor in purchase cost, buyer payments, sale fees, postage, packaging and other expenses to estimate net profit and return on cost.
Calculate resale profit →02 / Pricing
Margin vs. Markup Calculator
See the difference between markup and margin, or calculate a target selling price from a desired margin.
Calculate margin & markup →How to use the results
These tools provide estimates based on numbers you enter. Marketplace fee structures, taxes, refunds, discounts, shipping labels and payment processing can vary; use actual order receipts when finalizing business records. For more background, see our resource library.