Free tools to price products, work out margins, and estimate your Amazon, Shopify, shipping, and inventory costs. No sign-up, results in seconds.
Getting the math right is what separates a profitable order from a costly one. Whether you are setting a wholesale price, checking your Amazon FBA margin, or estimating shipping and prep, these tools do the calculation for you, instantly and in your browser. Bookmark this page, new calculators are added regularly.
Set your cost, overhead, and target margin to find the right wholesale price per unit, plus a suggested retail price.
Open calculator → LiveTurn a wholesale cost into a retail price using markup or margin, with keystone pricing built in.
Open calculator → LiveEnter cost and selling price to see gross profit, margin, and markup side by side.
Open calculator → LiveFind how many units you need to sell to cover your costs and start making a profit.
Open calculator →Estimate FBA profit after referral fees, fulfillment fees, and cost of goods, by category and size tier.
Open calculator →Work out Amazon’s referral fee by category so you know your true cost before sourcing.
Coming soonEnter dimensions and weight to find your product’s size tier and estimated fulfillment fee.
Coming soonEstimate return on investment and how fast a pallet or case pack will sell through.
Coming soonFactor in Shopify plan fees, payment processing, and COGS to see your true per-order profit.
Open calculator → LiveCalculate Stripe, PayPal, or Shopify Payments fees on any order value.
Open calculator → LiveWork out your margin after supplier cost, shipping, ad spend, and platform fees.
Open calculator →Estimate shipping cost by weight, dimensions, and zone before you commit to an order.
Coming soonEstimate prep fees by packaging type: polybag, bubble wrap, labeling, and bundling.
Open calculator → LiveAdd product, shipping, duties, and prep into a single true landed cost per unit.
Open calculator → LiveFind the dimensional weight carriers use to price larger, lighter parcels.
Open calculator →Know exactly when to reorder using lead time, daily sales, and safety stock.
Open calculator → LiveFind the order size that minimizes your combined ordering and holding costs.
Open calculator → LiveMeasure how many times you sell through your stock in a period.
Open calculator →Browse thousands of verified wholesale distributors across the USA, UK, and Canada.