Contribution Margin Calculator

Per-Order Economics

Enter averages across all your orders

Revenue

Average Order Value ($)

Cost of Goods

Product Cost ($)

COGS per unit sold

Packaging ($)

Box, tissue, inserts

Fulfillment

Shipping Cost ($)

Your cost to ship

Pick & Pack Labor ($)

Or 3PL per-order fee

Transaction Costs

Payment Processing (%)

Stripe/Shopify Payments

+ Fixed Fee ($)

Per-transaction fee

Platform Fee (% of revenue)

Shopify plan cost allocated per order, marketplace fees, etc.

Marketing

Customer Acquisition Cost ($)

Blended CAC per order

Discount/Promo (avg $)

Average discount per order

Returns & Overhead

Return Rate (%)

Return Processing Cost ($)

Per-order contribution

$12.46

14.7% margin

Revenue$85.00

Total variable costs-$72.54

Contribution margin$12.46

Break-even orders/mo—

Orders needed for $10K profit—

Healthy Margin