Seller Profit & Ecommerce Calculators
Start with what a sale actually leaves you, then work backward into pricing, advertising, returns, shipping and inventory. These calculators are designed around decisions—not vanity metrics.
Seller Profit Calculator
Fees, shipping, ROI, margin and break-even.
EcommerceEcommerce Profit Calculator
Full order economics including COGS, fulfillment, fees and ads.
PricingTarget Profit Sale Price Calculator
Work backward from the profit you want.
SellerSeller Net Proceeds Calculator
See what remains after selling costs.
AdsBreak-even ROAS Calculator
Find your ROAS floor and maximum CPA.
EcommerceProfit Per Order Calculator
One clean profit number per order.
EcommerceContribution Margin Calculator
Contribution dollars and percentage.
PricingTarget Margin Price Calculator
Price backward from a desired margin.
AdsROAS Calculator
Revenue return on ad spend.
AdsAd Spend Profit Calculator
Put contribution margin and ad spend together.
AdsCustomer Acquisition Cost Calculator
Calculate CAC from spend and new customers.
PricingDiscount Profit Impact Calculator
See the volume a discount must create.
RiskRefund Impact Calculator
Turn refunds into a real profit cost.
RiskReturn Rate Cost Calculator
Expected cost of product returns.
EcommerceAverage Order Value Calculator
Revenue per order.
EcommerceGross Profit Calculator
Gross profit and gross margin.
ShippingShipping Profit Impact Calculator
Customer-paid vs actual shipping economics.
PricingPrice Increase Profit Calculator
Model profit upside from a price increase.
InventoryInventory ROI Calculator
Profit, ROI and cash-cycle speed.
ResaleMaximum Buy Price Calculator
Maximum acquisition price for a target profit.
ResaleBreak-even Sale Price Calculator
Minimum sale price to avoid a modeled loss.
SellerMarketplace Fee Calculator
Percentage seller fees.
SellerReverse Selling Fee Calculator
Gross price needed for a target net amount.
ResaleResale Markup Calculator
Markup over item cost.
Start with profit, not revenue
Gross sale price is not the amount you keep. Platform fees, payment fees, item cost, shipping, fulfillment, advertising, refunds and returns all compete for the same revenue. Use one consistent set of assumptions across related tools so the answers remain comparable.
Formula reference
Need the equation without opening every calculator? See the consolidated formula reference for plain-English formulas and worked examples.