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ROAS & Margin Calculator

Work out your store's break-even ROAS and the margin left after ad spend, using your own numbers.

This calculator helps answer a simple but often overlooked question: at what ROAS do your store’s ads stop losing money? It only uses the numbers you enter and does not store personal data.

What you need to enter

  • Average order value.
  • Gross product margin, after cost of goods.
  • Variable costs per order, such as uncharged shipping, packaging and payment fees.
  • Ad spend for the period being analysed.

What you get

  • Break-even ROAS, below which each ad-attributed sale does not cover its costs.
  • Estimated margin after ad spend.
  • A sense of how much room there is to scale spend.

Results are estimates and depend on the quality of the figures you enter. They do not replace an analysis of attribution or product-level profitability.

ROAS
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Break-even ROAS
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Gross margin after ad spend
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Simplified estimate for orientation only. It ignores fixed costs, returns, VAT and shipping.

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