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 is built from mid-market merchant data and reflects the profit-floor perspective Agentis enforces at checkout.

Margin

5 tools

Profit Margin Calculator

Free profit margin calculator for ecommerce. Calculate gross margin, net margin, and total profit from revenue, COGS, and operating expenses — with benchmark context.

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Break-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.

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Contribution Margin Calculator

Calculate contribution margin per unit, contribution margin percentage, and break-even units. Built for Shopify Plus and DTC brands who need real unit economics.

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True 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.

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Subscription Margin Calculator

Calculate subscription LTV, contribution per shipment, LTV/CAC ratio, and payback period. Built for Shopify Plus subscription brands modeling real unit economics.

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Scenario Modeling

3 tools

Discount Impact Calculator

See exactly how much margin a discount destroys. A 20% discount can erase 50%+ of your gross margin — this calculator shows you the multiplier effect in real time.

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Freight 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.

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Return Rate Impact Calculator

Calculate how return rate erodes effective margin. Model return processing costs, restocking recovery, and true margin after returns.

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Fees & Costs

2 tools

Shopify Plus Fees Calculator

Calculate total Shopify Plus fees: platform fee, transaction fees, and payment processing. See your true effective fee rate as a percentage of revenue.

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Amazon 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.

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Funnel Economics

2 tools

CAC 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.

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ROAS 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.

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From calculation to enforcement

Calculators measure margin. Agentis enforces it.

Get order-level profitability for your Shopify Plus store — free for 7 days, no commitment.

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