Free Tools
Ecommerce Profit Calculators
A suite of free calculators for Shopify Plus and DTC operators who need to understand their true margin, not the blended number from a month-end P&L. Each calculator runs on your own inputs and reflects the profit-floor perspective Agentis enforces on every order before fulfillment.
Margin
7 toolsProfit Margin Calculator
Free net margin calculator for ecommerce. Enter revenue, COGS, and expenses to get net profit margin percentage and gross margin, with 2026 benchmarks.
Open calculatorBreak-Even Calculator
Free break-even calculator. Calculate break-even units and break-even revenue from fixed costs, unit price, and variable cost, with contribution margin analysis.
Open calculatorContribution Margin Calculator
Calculate contribution margin per unit, CM %, and break-even units instantly. Free tool built for Shopify Plus and mid-market DTC brands. Updated 2026.
Open calculatorTrue Product Cost Calculator
Calculate your all-in true product cost: landed cost, fulfillment, returns, and payment fees. See how much your naive COGS margin is overstating reality.
Open calculatorSubscription Margin Calculator
Calculate subscription LTV, contribution per shipment, LTV/CAC ratio, and payback period. Built for Shopify Plus subscription brands modeling real unit economics.
Open calculatorGross Profit Per Order Calculator
Calculate true gross profit per ecommerce order including line items, COGS, fulfillment, payment fees, and discounts. Net margin per order, per-SKU breakdown.
Open calculatorMulti-Currency Margin Calculator
Model FX risk on cross-border ecommerce margin. Calculate gross margin pre and post FX movement, with hedging cost scenarios and country-specific exposure.
Open calculatorScenario Modeling
6 toolsDiscount Impact Calculator
See how 10%, 20%, 30% off destroys gross margin on Shopify orders. Free calculator factors COGS, shipping, returns. 2026 ecommerce profit tool.
Open calculatorFreight Zone Impact Calculator
Model how shipping zone mix destroys margin. Calculate blended freight cost, margin impact, and loss per order above your free shipping threshold.
Open calculatorReturn Rate Impact Calculator
Calculate how return rate erodes effective margin. Model return processing costs, restocking recovery, and true margin after returns.
Open calculatorTariff Impact Calculator
Calculate the post-tariff landed cost on imported ecommerce SKUs. Models reciprocal tariffs, MFN rates, and Section 301 duties to project margin compression.
Open calculatorDe Minimis Savings Calculator
Quantify the cost impact of the U.S. de minimis repeal on your ecommerce shipments. Compare pre-repeal vs post-repeal landed cost across the $800 threshold.
Open calculatorSubscription Decay Calculator
Model how subscription cohort retention curves and COGS drift compound into multi-quarter margin trajectories. Inputs: month-1 retention, decay slope, COGS movement.
Open calculatorFees & Costs
2 toolsShopify Plus Fees Calculator
Calculate your true Shopify Plus cost: $2,000+/mo platform fee, 0.15% transaction fee, and payment processing. Enter your revenue and orders — see total dollars and effective rate instantly.
Open calculatorAmazon FBA Fees Calculator
Calculate Amazon FBA fees including referral fees, fulfillment fees, and storage. See your true per-unit margin and monthly profit after all Amazon costs.
Open calculatorFunnel Economics
2 toolsCAC Payback Period Calculator
Calculate how many months and orders it takes to pay back customer acquisition cost. Built for DTC brands measuring true marketing efficiency.
Open calculatorROAS to Profit Calculator
Convert ROAS into actual profit. Calculate profit after ads, marketing efficiency ratio, and break-even ROAS given your gross margin and fulfillment costs.
Open calculatorFrom calculation to enforcement
Calculators measure margin. Agentis enforces it.
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