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Ecommerce calculators

AOV, store profit, payment fees, inventory, markup, discounts, and transaction economics.

13 free tools for comparing formulas, planning scenarios, and making clearer operating decisions.

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All ecommerce calculators

Shipping Cost per OrderCalculate average shipping and fulfillment cost for each fulfilled order.Return RateCalculate item return rate and estimated retained orders.Cart AbandonmentCalculate the share of initiated shopping carts that do not convert.MarkupFind a selling price and gross profit from product cost and a chosen markup percentage.DiscountCalculate savings and final price after a percentage discount.Average Order ValueCalculate average order value and estimate revenue at a different order volume or AOV.Ecommerce ProfitEstimate store profit after product cost, fulfillment, payment fees, advertising, and other operating cost.Payment FeesEstimate processing fees, net receipts, and the gross price needed to receive a target amount.Inventory TurnoverCalculate inventory turnover and estimated days inventory remains on hand.Reorder PointEstimate the inventory level that should trigger a replenishment order from demand, lead time, and safety stock.Discount Break-EvenEstimate how many additional units must be sold after a discount to preserve total contribution profit.Economic Order QuantityEstimate the order quantity that balances modeled ordering and inventory holding costs.Safety StockEstimate a simple safety-stock buffer from maximum and average demand and lead-time observations.

How to use ecommerce calculators

Ecommerce prices must cover product cost, fulfillment, payment fees, returns, promotions, and the margin needed to operate the business. Simple price changes can have a large effect because margin and markup use different denominators.

Use these tools to check individual transactions, then compare the result with broader business costs that may not appear in a product-level calculation.

A practical decision process

  1. Start with the full landed product cost.
  2. Distinguish markup from gross margin.
  3. Apply multiple discounts sequentially.
  4. Include returns, transaction fees, and overhead in broader profitability checks.

Start with the calculator closest to the decision, then compare a related metric from the list above. Review the formula, example, assumptions, and limitations before using the result in a business decision.

For deeper context, continue to the calculator guides or review how the formulas are tested.

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