Learn Paid Ads · free tool

What’s actually left per order?

Before ROAS, before ad spend, before any of it: this is the margin check. What lands after cost of goods, shipping and fees, and what percentage of revenue that leaves you to fund everything else.

Order value and costs

What lands in the till, and what leaves with the parcel.

Average order value£Cost of goods£Outbound shipping cost£Pick, pack and packaging£Payment processing%Fixed transaction fee£Other variable costs%Platform fees, apps billed per order, anything else that scales with revenue.

Contribution margin

57.3%

£34.36 per order

Cost of goods

30.0%

Shipping

7.5%

Pick, pack & packaging

2.5%

Payment processing

2.7%

Order value

£60.00

average order value

Total costs

£25.64

42.7%

Contribution

£34.36

per order

Margin

57.3%

of order value

Take the model with you

The spreadsheet version, plus how much of this margin ad spend can safely absorb.

Ready to bring ad spend into it? the ROAS you actually need to see

Where next

Pick the next stage in your margin journey

One calculator rarely tells the whole story. This is the order that actually works: from margin, to target, to a page that can convert the traffic you send it.

01Know your marginContribution Margin02Know your targetBreak-even ROAS03Check the pageProduct Page Grader04Size the testCreative Testing Budget

05Scale with confidence

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Order value and costs

Take the model with you

Pick the next stage in your margin journey

The Second Number