Calculator

Ecommerce Unit Economics Calculator

Understand contribution margin, breakeven CAC, and what each order truly contributes to profit.

Inputs

Add your own numbers below to run your scenarios.

Average Order Value (AOV)

Average revenue per order before discounts, taxes, and returns.

Average Discount Rate (%)

Average % discount across orders (e.g. 10 for 10%).

Return Rate (% of revenue refunded)

Percentage of revenue that gets refunded due to returns.

COGS (% of gross revenue)

Cost of goods sold as a % of the original price before discounts.

Shipping Cost per Order

Average brand-funded shipping cost per order.

Fulfillment / Pick & Pack Cost per Order

Average warehouse / 3PL fee per order.

Payment Processing Fee (% of net revenue)

Typical processor + gateway fee as a % of net revenue.

Other Variable Fees per Order

Other per-order variable fees (platform fees, packaging, etc.).

Blended Acquisition Cost (per order)

Average marketing cost to acquire one order (CAC).

Results

View the unit economics breakdown below.

Average Order Value (AOV)$100.00

Net revenue (after discounts & returns)$85.50

COGS$30.00

Payment fees$2.57

Other variable costs (shipping, fulfillment, other)$11.00

Gross profit (Pre-marketing)$41.94

Gross profit %49.0%

Contribution margin (After marketing)$36.94

Contribution margin %43.2%

Breakeven ROAS2.04

Breakeven CAC$41.94

This calculator shows profitability at the order level.

Profit Compass extends this same logic across your entire business — using your actual data, daily, with no guesswork.

All calculations run locally in your browser. No data is stored.