A Google Ads automated bidding strategy that sets bids to achieve a desired average return on ad spend.
Advertisers use this information when optimizing performance within the Google Ads interface.
01How Target ROAS works
Google Ads uses historical conversion data and real‑time signals to estimate the conversion value likely to result from each auction. It then sets a bid that aims to make the expected value divided by the expected cost equal to the target ROAS you set. The system continuously re‑calculates bids as new data arrives, so the actual ROAS fluctuates around the goal. Machine learning models weigh factors such as device, location, time of day, and audience to predict value.
Target ROAS tells Google Ads to automatically change your bids so you earn the revenue you want for each dollar spent on ads.
02What to do this week
First, verify that every conversion action has a monetary value assigned in the Conversions settings. Second, calculate your current average ROAS over the last 28 days to set a realistic starting target. Third, create an experiment that splits budget 50/50 between Target ROAS and Maximize Conversion Value to compare performance. Fourth, review the bid simulator to see how different targets would affect clicks, conversion value, and cost. Finally, consider moving successful campaigns to a portfolio bid strategy to share data across similar ad groups.
03How to measure or notice Target ROAS performance
In the Google Ads interface, add the columns Conv. value, Cost, and ROAS to see the actual return. Watch the Search lost IS (budget) metric to learn if bids are being limited by the target, and use the Bid strategy report to see how often the strategy hits, exceeds, or falls short of the goal. You can also segment by device or time of day to see where the model is over‑ or under‑bidding, and adjust conversion values accordingly.
04Common mistakes
- Setting the target ROAS far above historical performance without enough conversion data
- Using Target ROAS on campaigns with fewer than 15 conversions in the last 30 days
- Neglecting to update conversion values when product prices or margins change
- Changing the target ROAS more than once a week, which prevents the algorithm from stabilizing
- Applying Target ROAS to brand‑awareness campaigns where revenue is not the primary goal
05When Target ROAS doesn’t apply
Target ROAS is not ideal when you need strict control over cost per acquisition, because the strategy may allow higher costs if it predicts higher value. It also struggles with very low‑volume campaigns where there isn’t enough data to predict conversion value reliably. Advertisers sometimes confuse it with Maximize Conversion Value, which spends the full budget to get the most value without a specific ROAS constraint, or with tCPA, which optimizes for a cost per acquisition rather than a return.
06Worked example
If you spend $200 on a campaign and set a Target ROAS of 5:1, Google Ads will try to generate $1,000 of conversion value; if the actual value after a day is $800, the system will lower bids to bring the ROAS back toward 5:1.
Frequently asked questions
How does Target ROAS differ from other bidding strategies?
Target ROAS focuses on maximizing return on ad spend by adjusting bids based on predicted conversion value, unlike strategies like Maximize Clicks or Manual CPC, which prioritize clicks or fixed costs.
When should I use Target ROAS instead of other methods?
Use Target ROAS when you want to optimize for revenue rather than clicks or conversions. It’s ideal for campaigns where higher costs are acceptable if they lead to higher-value conversions.
How do I set up Target ROAS in Google Ads?
Set Target ROAS in Google Ads by navigating to the Bidding settings, selecting the strategy, and entering your desired ROAS percentage. Ensure all conversion actions have monetary values assigned first.
What if Target ROAS isn’t meeting my goals?
If Target ROAS underperforms, check conversion values, ensure data quality, and consider adjusting the ROAS target. It may also require more historical data for accurate predictions.
Can Target ROAS work for non-e-commerce campaigns?
Yes, Target ROAS can be used for non-e-commerce campaigns if conversion actions have assigned monetary values. It’s less common but possible with proper setup.
Asked out loud
spoken, not typedThe same term in the words somebody uses speaking to an assistant rather than typing into a box — written from the situation, which is why each one carries the situation it came from.
You can adjust bids in real-time through Google Ads’ Bidding settings. Set your desired ROAS percentage, and the system will optimize bids automatically.
It’s a strategy that sets bids to achieve a specific return on ad spend. The system adjusts bids in real-time based on how much each click might be worth.
Check if your conversion actions have monetary values and ensure the ROAS target aligns with your revenue goals. The metric reflects how effectively your bids are driving valuable conversions.