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ROAS Calculator
Free ROAS (Return on Ad Spend) calculator. Enter your ad spend and revenue to calculate ROAS ratio, break-even ROAS, cost per acquisition, revenue per click, and net profit after all costs. Supports Google Ads, Facebook/Meta Ads, Amazon PPC, and all other ad platforms.
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Frequently Asked Questions
What is a good ROAS for ecommerce?
A ROAS of 4x is the typical target for ecommerce (£4 revenue per £1 spent on ads). What counts as good depends on your margins. A 40% margin business might be profitable at 2.5x ROAS, while a 20% margin business might need 5x+. Always calculate your break-even ROAS before deciding if a campaign is worth scaling.
What is break-even ROAS?
Break-even ROAS = 1 / gross margin. If your margin after all costs except advertising is 40%, your break-even ROAS is 1 / 0.40 = 2.5x. Any campaign below 2.5x ROAS is losing money. This calculator shows your break-even ROAS alongside your actual ROAS.
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