ACoS vs TACoS vs ROAS: Which Amazon KPI Matters Most?

Last updated on October 23rd, 2023

Written by Mohamed Aden

Digital marketing and advertising professionals often struggle to understand and distinguish specific key performance metrics. One common comparison is "ACoS vs TACoS vs ROAS," benchmarks frequently used to assess the effectiveness of paid ad campaigns.

As each of these KPIs provides a unique perspective on advertising performance, it is essential to understand their differences and applications. This knowledge will enable you to monitor and direct your digital marketing strategy and make more informed decisions regarding budget allocation.

Let Seller Interactive guide you on these critical metrics you must watch when driving your Amazon business's overall trajectory: the ACos, TACoS, and ROAS.

An infographic showing the following: ACoS, TACoS, ROAS

What is the Difference Between ACoS, TACoS, and ROAS?

ACoS, TACoS, and ROAS are vital in Amazon PPC advertising. ACoS gauges the ad spend ratio to attributed sales. TACoS calculates total sales from organic ads, and ROAS tracks revenue per ad dollar spent. All are crucial in optimizing ad performance

Understanding ACoS

Amazon ACoS, also called Advertising Cost of Sale, is a crucial metric for gauging the effectiveness of your advertising campaigns on the platform. It measures the efficiency of your ad spend by showing the percentage of ad dollars used to generate sales revenue.

A lower ACoS indicates that an advertising campaign is performing efficiently, showing that less money is being spent to generate revenue. Conversely, a higher ACoS signifies that more money is being spent on advertising for each sale, decreasing overall profitability.

Importance of The ACoS Metric

In Amazon advertising, ACoS is a key performance indicator that can help you boost campaign profitability. By continuously monitoring this metric, you can strategically use your ad budget more effectively and efficiently in pursuit of higher sales revenue.

It is also important for businesses to establish a target ACoS, which reflects both the objective of the advertising campaign and the industry benchmark. This helps e-commerce sellers optimize their campaigns by adjusting bids, keywords, and targeting methods to achieve the desired ACoS.

Calculating Your ACoS

To calculate the Advertising Cost of Sales (ACoS) in your advertising campaign, you must focus on two key components: ad spend and ad sales. Divide your ad spend by your ad sales to get the ACoS value. The formula to calculate ACoS can be represented as follows:

ACoS = (Ad Spend / Ad Sales) x 100

Example: Let's consider an advertising campaign with an ad spend of $1,000 and producing $5,000 worth of ad sales. By applying the formula, the ACoS is calculated as follows:

ACoS = ($1,000 / $5,000) x 100 = 20%

This means that 20% of the revenue generated by ad sales is spent on advertising costs. The ACoS value helps determine the effectiveness of your advertising campaign, comparing the costs of running ads to the generated.

Understanding TACoS

Total Advertising Cost of Sales (TACoS) is a metric that helps you determine advertising efficiency relative to the overall revenue performance. TACoS considers both the ad spend and total revenue generated from ad and organic sales.

When analyzing TACoS, it's important to remember that a lower percentage doesn't always signify better ad performance. Factors such as market competition, product life cycle, and revenue goals can influence the acceptable range for TACoS.

Importance of the TACoS Metric

An essential aspect of the TACoS metric is its ability to link advertising spend to both attributed and non-attributed sales. This feature provides a more accurate reflection of total business performance, which is particularly useful for businesses participating in the highly competitive landscape of online advertising.

Another advantage of using TACoS is its adaptability to various industries and advertising goals. By tracking TACoS over time, companies can identify upward or downward trends that give insight into consumer behavior in a given period. This information allows businesses to appropriate marketing budgets to manage campaigns effectively.

Calculating Your TACoS

To calculate TACoS, you must divide the total ad spend by total organic and paid sales. The resulting percentage measures advertising efficiency relative to the business's overall performance.

TACoS = (Ad Spend / Total Sales) * 100

Example: If your ad spend is $1,000 and your total sales revenue is $10,000, your TACoS would be:

TACoS = ($1,000 / $10,000) x 100 = 10%

A lower TACoS percentage indicates a more efficient use of the advertising budget, while a higher TACoS indicates a larger portion of your sales revenue being consumed by advertising costs. Monitoring TACoS can help you make informed decisions about your advertising strategy, allocate resources effectively, and identify areas for enhancement.

Understanding ROAS

Marketers and advertisers use Return on Ad Spend (ROAS) to determine their ad campaigns' performance, given the spending. It measures the monetary return generated from a specific advertising cost, helping businesses understand which campaigns drive the most revenue.

Businesses often establish a target ROAS reflecting their desired returns and help set benchmarks for optimizing campaigns. For instance, a company with a target ROAS of 4:1 aims to generate at least $4 in revenue for every $1 spent on advertising. Failing to reach the target may indicate that the ads are underperforming and require adjustments.

Importance of the ROAS Metric

Return on ad spend (ROAS) is a crucial metric that tells managers how well an advertising strategy works based on how effectively it generates revenue.

One key advantage of using ROAS as a metric is its simplicity. With only two inputs—ad revenue and ad spend—it provides a straightforward method for assessing the success of an advertising campaign. It's a speedy metric to use when analyzing the efficiency of their ad expenditures.

Calculating Your ROAS

Calculating ROAS is quite simple: Divide the generated revenue from the campaign by the total ad spend’s cost.

ROAS = (Advertising Revenue / Advertising Spend)

Example: If a company spends $1,000 on an ad campaign and earns $5,000 in revenue, its ROAS would be 5 (or 500%).

ROAS = (5,000 / 1,000) = 5 or 500%

When analyzing ROAS, it's important to consider the marketing objectives and overall return on investment (ROI). While ROAS focuses on the value generated by the advertising spend, ROI considers the entire marketing budget, including campaign expense costs, salaries, and overheads. Thus, a high ROAS does not always guarantee a strong ROI.

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Optimizing Amazon Metrics

When maximizing your ACoS, TACos, and ROAS on Amazon, you can employ several strategies to maximize your advertising budget. Note these practices for better PPC campaigns moving forward.

Product Listing Optimization: Ensuring informative and engaging product listings is essential for maximizing your PPC ads metrics. High-quality product images, compelling titles, and informative bullet points can increase your product's visibility and conversion rates.

Keyword Research: It's important to identify the right keywords for your products to optimize your Amazon ad campaigns for better metrics performance. This includes targeting high-volume search terms and long-tail keywords with lower competition but still driving relevant traffic.

Adjusting Bids and Budgets: Balancing your bids and budgets is crucial for optimizing your ad spend. Keep a close eye on your campaigns and consider raising bids for high-performing keywords while lowering bids for underperforming ones.

Negative Keyword Implementation: Identifying and implementing negative keywords can prevent wasted ad spending on irrelevant searches. By excluding such terms, you can better direct your advertising budget toward the most profitable searches, thus improving your critical metrics.

Using Different Ad Types: Amazon provides various ad types, such as Sponsored Display, Products, and Brands. Each ad type serves different purposes and caters to different phases of the buyer’s journey. Testing various ad types and finding the best combination for your specific products can lead to better ACoS, TACoS, and ROAS figures.

The Verdict on ACoS vs TACoS vs ROAS: Which Metric Matters Most?

All of the metrics matter. Each tells something important about your ads’ performance. To succeed, learning how to read and interpret these metrics is essential. This way, you can keep track of your campaigns and delegate management to marketing professionals and account managers. 

Get Your Ideal ACoS, TACos, and ROAS Numbers With Seller Interactive

Understanding and managing the performance metrics of your Amazon advertising campaigns is crucial to achieving your goals. ACoS, TACoS, and ROAS are all key metrics you need to know to gauge the efficiency and effectiveness of your advertising efforts.

Diligently managing these metrics is easier said than performed. You'll need consistency and adaptability to make the most out of your Amazon advertising campaigns and achieve their desired results. You will have to work on evaluating and managing your PPC Advertising campaigns daily, even hourly, and adjust their many components to fine-tune them towards optimum performance.To ensure you stay focused on the big picture, you'll need a team of professionals with years of experience navigating the ecommerce landscape. Pros that have done the work and know how to succeed beyond what TACoS, ACoS, and ROAS can show you. If you're curious about how our specialists can make that happen, book a call.

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