What is ROAS?
ROAS — Return on Ad Spend — is a marketing metric that measures the revenue generated for every unit of currency spent on advertising. It is calculated as:
ROAS = Revenue from Ads / Ad Spend
A ROAS of 4 means that for every CHF 1 spent on advertising, CHF 4 in revenue was generated. A ROAS of 1 means you broke even. A ROAS below 1 means you spent more than you earned — a loss on ad spend.
ROAS is the primary efficiency metric used to evaluate and optimize paid advertising campaigns across Meta, Google, TikTok, Pinterest, and other paid channels.
Why ROAS Matters for SMBs
For small businesses operating with limited marketing budgets, ROAS is the clearest signal of whether your advertising investment is working. Unlike vanity metrics (impressions, clicks, follower growth), ROAS directly connects spending to revenue outcomes — making it actionable in a way that most social media metrics are not.
ROAS also enables meaningful budget allocation decisions. If your Google Ads campaign is generating a ROAS of 6 and your Facebook Ads campaign is generating a ROAS of 2, that data tells you where to shift budget — without guesswork.
What is a Good ROAS?
There is no universal "good ROAS" because the target depends on your business model — specifically your gross margin and cost structure.
A simple benchmark: your ROAS must exceed your cost-of-goods ratio to be profitable. If you sell a product at CHF 100 with CHF 40 in cost of goods (60% gross margin), you need a ROAS greater than 1.67 just to cover product costs — before accounting for other business expenses.
Most e-commerce businesses target a ROAS of 3–5 as a baseline for profitability. High-margin businesses (software, digital products, some services) can sustain lower ROAS targets. Low-margin businesses (grocery, consumer electronics) need ROAS of 8 or higher to be sustainable.
ROAS vs. ROI
ROAS and ROI are related but different metrics. ROAS only compares revenue to ad spend. ROI (Return on Investment) is broader — it accounts for all costs associated with the campaign (product costs, fulfillment, agency fees, creative production) against total profit, not just revenue.
ROAS is faster to calculate and useful for day-to-day campaign optimization. ROI is more accurate for evaluating true profitability but requires more complete cost data.
Key Factors That Influence ROAS
Creative quality. Ad creative determines click-through rates and conversion rates — the two variables that most directly affect ROAS. Better creative converts at higher rates, reducing cost-per-acquisition and raising ROAS.
Audience targeting. Showing ads to audiences with higher purchase intent generates more conversions per impression. Retargeting audiences (previous website visitors, past customers) typically produce much higher ROAS than cold prospecting audiences.
Landing page conversion rate. Your ROAS is limited by how well your landing page converts clicks into buyers. Traffic that clicks but doesn't convert is wasted spend. Optimizing the landing page (clear headline, trust signals, frictionless checkout) can increase ROAS without increasing ad spend.
Bidding strategy. Automated bidding strategies (Target ROAS bidding in Google Ads, Cost Cap in Meta) let platforms optimize delivery toward your ROAS goal. These strategies require sufficient conversion data to function well — typically at least 50 conversions per month.
Attribution model. How you attribute conversions affects reported ROAS. Last-click attribution credits the final touchpoint before conversion; data-driven attribution distributes credit across the full customer journey. Different models yield different ROAS figures for the same underlying performance.
How publy.ch Helps
While publy.ch is not an ad management platform, it generates high-quality ad creative — the highest-leverage input in ROAS performance. Strong copy and creative briefs raise click-through and conversion rates, directly improving the ROAS of your paid campaigns across Meta and Google.