Calculate your ROAS,
in 30 seconds.

ROAS (Return On Ad Spend) is the ratio between the revenue generated by a campaign and the ad spend behind it. A ROAS of 3 means every euro invested in ads brought back 3€ of revenue. It's a gross ratio, with no margin baked in.

ROAS = Revenue attributed to ads ÷ Ad spend. For the calculation to be reliable, use the same time window for revenue and spend, and the same attribution model across the period.

ROAS looks at a single channel or campaign, MER looks at the whole business, ROI factors in margin and product cost. ROAS and MER measure raw efficiency; only ROI measures actual profitability.

It depends on your industry and your margin. A ROAS of 3 is great for B2B SaaS with high LTV, but poor for a low-margin fashion e-commerce store. The minimum rule: your ROAS must exceed 1 ÷ margin%, otherwise you lose money on every sale.

Platforms measure attribution differently: Google leans last-click, Meta leans view-through. You also typically have warmer audiences on Google (high intent) and broader ones on Meta (discovery). Always compare channels with comparable windows.

Three immediate levers: clean up audiences and keywords that spend without converting, rework the creatives that get views but no clicks, and reallocate budget to campaigns above your break-even threshold. Fix tracking first if it's broken.

Neither in isolation. A very high ROAS on a small spend often leaves volume on the table; a big spend at low ROAS burns cash. Aim for absolute profit: (revenue × margin) − spend, and scale as long as it keeps growing.

Sum attributed revenue across channels and divide by the sum of spends. You get a blended ROAS. For a cleaner read, use MER (total company revenue ÷ total spend) which avoids double-counting attribution.

No. ROAS is a revenue ratio, not a profit one. A 20% margin shop needs a ROAS of at least 5 to break even. A 60% margin shop breaks even at 1.67. Always pair ROAS with margin before drawing conclusions.

At minimum weekly for active campaigns. Daily for managing big-budget campaigns during a peak or launch. And on rolling 30 and 90 day windows to spot trends without noise. Avoid very short windows during low-volume periods.

Because you're comparing monthly revenue to a spend that funds the customer's entire LTV. A first-touch ROAS of 1.0 on a B2B SaaS with 12 months of retention is equivalent to an LTV ROAS of 12, well into the top of the industry. When you tick "Recurring", the calculator multiplies your first-touch ROAS by the average subscription length to compute your LTV ROAS, then compares that LTV ROAS against your industry benchmarks. That's what makes it apples-to-apples with a one-shot business.