Children's product paperwork and seller fee tools

Marketplace Fee and Profit Calculators

These pages work out the fees on a sale for sellers of children’s products and anything else: what the platform or payment service keeps, what you receive, and your profit after item and shipping costs. Rates are copied from each company’s own pages on the date shown, and every page says which rates were read in full and which are editable estimates you should check in your seller settings. Etsy and Gumroad fee calculators are not here.

Tools in this group

  • Amazon FBA Profit Calculator — Pick a category, type the price, your cost and the FBA fee from Amazon. You get the referral fee, total cost per unit, profit, margin, ROI and break-even price.
  • Amazon Referral Fee Calculator — Pick a category and type the price and your costs. You get the referral fee from the seller pricing table, the plan cost per item, your payout and your profit.
  • Depop Fee Calculator — Type the price, shipping and your costs. You get the Depop payment processing fee, an optional boosting fee, your payout and your profit. Rates are editable.
  • eBay Fee Calculator — Type the item price, the shipping you charge and your costs to see what eBay takes, what you are paid and what you keep.
  • eBay Price Calculator — Enter your costs and the profit or margin you want. You get the item price to list, with or without free shipping.
  • eBay Profit Calculator — Enter what you sell for and what it costs you to see profit after eBay fees, the margin and the break-even price.
  • eBay Shipping Calculator — Type your item price, the shipping you charge and your postage cost to compare charging shipping with free shipping.
  • Marketplace Fee Calculator — Type one price, the shipping and your costs. You get fees, payout and profit on each marketplace, sorted by profit, with the rates behind each row.
  • Mercari Fee Calculator — Type the item price, the shipping the buyer pays and your own costs. You get the Mercari selling fee, the payout, your profit and the break-even price.
  • PayPal Fee Calculator — Enter a payment to see the PayPal fee and what you keep, or the amount you want to keep to see what to request.
  • Poshmark Fee Calculator — Type the sale price, any shipping and your item cost. You get the Poshmark fee ($2.95 flat under $15, 20% from $15), your payout and your profit.
  • Reverb Fee Calculator — Type the price, shipping, tax and your costs. You get the Reverb selling fee, the payments fee, your payout and your profit; every rate is editable.
  • Selling Price Calculator — Enter your costs and the profit or margin you want. Pick a platform's fees or type your own percent and fixed fee to get the price to list.
  • Shopify Fee Calculator — Pick your plan, order total and orders per month to see payment fees, plan cost per order and profit.
  • Stripe Fee Calculator — Enter a payment to see the Stripe fee and what you keep, or the amount you want to keep to see what to charge.
  • Whatnot Fee Calculator — Type the price, shipping, tax and your costs. You get the Whatnot commission and payment processing fee, your payout and your profit; the commission rate is yours to edit.