Free tool
Breakeven ROAS and true margin
The ROAS Meta and Google report does not know what your product costs. This calculator crosses your price with your real cost to give you the margin each order leaves and the ROAS below which you are paying to sell.
€
Excluding tax — what you charge per order.
€
What the unit costs you, excluding shipping.
€
Per-order cost you absorb.
%
Percentage of the selling price.
Contribution margin
€32.50
What each order leaves before advertising.
Margin on price
54.2%
Breakeven ROAS
1.85×
Below this, every sale costs you money.
Maximum CAC
€32.50
The most you can pay for an order and still break even.
How this is calculated
- Contribution margin = price − COGS − shipping − (price × fees).
- Breakeven ROAS = price ÷ contribution margin. It is the revenue multiple you need per euro spent to exactly cover the cost of the order.
- Maximum CAC is the contribution margin itself: pay more than that to win the order and the sale subtracts.
- It excludes fixed costs, returns and discounts. With high returns your real breakeven sits above the number here.