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Business & Work · 12 calculators

E-commerce Calculators

Product margins, selling price, marketplace fees, profit per order, AOV, return rates and break-even ROAS.

Key e-commerce formulas

Profit MarginMargin = (price − cost) ÷ price · Price = cost ÷ (1 − margin)
Selling PricePrice = cost ÷ (1 − margin − fees)
Marketplace FeeProfit = price − fees − fulfilment − cost
Profit Per OrderProfit = AOV − COGS − shipping − fees − CPA
Average Order ValueAverage order value = Revenue ÷ Number of orders
Cart Conversion RateCart conversion rate = Completed orders ÷ Carts created × 100
Refund RateRefund rate = Refunded orders ÷ Total orders × 100
Return RateReturn rate = Units returned ÷ Units sold × 100
Shipping ProfitShipping profit = charged − (label + packaging + handling)
Break-Even ROASBreak-even ROAS = 1 ÷ margin

E-commerce questions

What is the difference between margin and markup?

Margin is profit as a share of the selling price; markup is profit as a share of cost. A $40 item sold for $65 has a 38.5% margin but a 62.5% markup.