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ROAS calculator.

Enter revenue and ad spend to get ROAS and ACOS, plus the break-even ROAS your margin needs to clear.

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Track ad spend next to revenue. Mewayz bundles CRM, invoicing, analytics and 150+ modules for $19/mo flat.

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ROAS calculator — questions

What is a good ROAS?

It depends on margin. ROAS is revenue divided by ad spend — a 4:1 ROAS means $4 back per $1 spent. Your break-even ROAS is 1 divided by gross margin, so a 60% margin needs about 1.67:1 just to break even.

What is ACOS?

ACOS (advertising cost of sale) is ad spend divided by revenue, expressed as a percentage — the inverse of ROAS. Lower ACOS is better.