E-commerce
E-commerce Cost & Margin Tools
Sales can grow while returns, ads and fees erase the profit.
Retail Operations Intelligence
Target Margin %
Who it is for: E-commerce owners, estimators, operators and consultants pricing jobs or contracts.
What decision it helps with: Decide whether to accept the job, reprice the bid or adjust scope before committing.
Free calculator
Product Margin Calculator: Check basic gross margin.
Quick check only — no minimum safe price or accept/reject verdict.
Open Product Margin CalculatorPremium analyzer
Return Profit Erosion Tool: Measure net profit after returns, shipping, payment fees and ad cost.
Related premium analyzers
Hidden-loss diagnostics with threshold checks, suggested actions and export-ready reports.
Decision report
Cloud API Cost Overrun Analyzer
Cloud and API products lose margin when calls, tokens, storage and compute scale faster than revenue.
Total cloud cost
Open analyzer →Premium analyzer
Retail Inventory Turnover Risk Analyzer
Retailers lose cash when slow inventory, markdowns and carrying cost are not measured together.
Total inventory risk exposure
Open analyzer →
Additional analyzers
Related decision tools on the SectorCalc roadmap for this sector.
Ad Spend Break-Even Tool
See whether ad cost per sale still leaves contribution margin after returns.
This is a technical simulation and decision-support output. It is not financial, legal or engineering advice. Verify all results before making business decisions.