Amazon seller tools & guides
Amazon charges a referral fee on almost every sale, a fulfillment fee if you use FBA, a monthly or per-item plan fee, and from October 15 to January 14 higher holiday peak fulfillment rates. Since April 2026 a 3.5% fuel and logistics surcharge is added to FBA fees too.
These tools use the rates Amazon publishes on Sell on Amazon and in Seller Central for the US marketplace, with the date each table was last checked. Use them to see what an item really earns before you send stock to a fulfillment center.
Calculators
Amazon FBA Fee CalculatorReferral, FBA and plan fees with 2026 peak rates.AmazonProduct Title Length CheckerOne title checked against every marketplace limit.Listings, SEO & ShippingDimensional Weight CalculatorDim weight and billable weight by carrier.Listings, SEO & ShippingProfit Margin CalculatorMargin, markup and the price for a target margin.Pricing & Profit