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See what one order actually leaves you.

Enter your order value and every cost of fulfilling it. You get contribution margin per order, then a P&L at your monthly volume.

  • Contribution margin per order, in dollars and as a percentage
  • Every variable cost of delivery, returns and storage included
  • What the account looks like at your monthly volume
  • A P&L you can take into a budget conversation

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The eCom Economics Calculator, showing order inputs and contribution margin
Three steps: unit economics, volume and costs, then the P&L.

Most brands scale on revenue and find out later.

Revenue is the number everyone watches. It is also the one that hides the most.

What usually happens

ROAS looks healthy, so spend goes up. Then the month closes and the profit is not where the dashboard said it would be.

Why it keeps happening

Shipping, packaging, transaction fees, storage and returns all come out after the sale. Very few brands have added them up against a single order.

Start from what one order leaves you.

Once contribution margin is on the table you can say what a customer is allowed to cost, and what the account does at three times the volume.

The cost of delivery panel
Every variable cost of delivering one order, including storage and returns.
The contribution margin readout
Contribution margin per order, updating as you type.

Four things it works out while you type.

It runs entirely in your browser, and nothing about your account is uploaded.

01

Enter the order

Average order value, and the tax that comes off it.

02

Add the cost of delivery

COGS, shipping both ways, packaging, transaction fees, storage and returns.

03

Read the contribution margin

What one order leaves you, in dollars and as a percentage.

04

Scale it to your volume

Monthly orders and fixed costs turn it into a P&L.

Get the calculator.

Free, and yours to keep. If you would rather we ran these numbers on your actual account, the audit does that too.

Open the calculator →
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