What is ACOS? A Guide to Optimizing Advertising Costs for Amazon Sellers

What is ACOS? Understanding Advertising Cost of Sales helps optimize Amazon ads. Learn how to calculate and improve your ACOS. Pippit offers tools like one-click video generation and performance tracking to lower ACOS and boost sales.

*No credit card required
Pippit
Pippit
Jun 3, 2025

Struggling with high advertising costs on Amazon? What is ACOS, and how can it impact your bottom line? Many sellers find themselves overwhelmed by ad spend without seeing proportional sales growth. Understanding ACOS is crucial for turning advertising expenses into profitable investments. To help with the creative aspect of lowering ACOS, tools like Pippit can streamline video ad creation and performance tracking. Let's delve into how to calculate, interpret, and optimize ACOS to boost your Amazon success.

Table of content
  1. What does advertising cost of sales (ACOS) mean
  2. ACOS calculation: Formula and practical application
  3. What is a good ACOS? Benchmarks and interpretation
  4. Boost your ACOS with Pippit's powerful ad creation tools
  5. How to lower ACOS & maximize profit on Amazon ads
  6. Real-world case studies of improving ACOS
  7. Conclusion
  8. FAQs

What does advertising cost of sales (ACOS) mean

ACOS stands for Advertising Cost of Sales, a key metric for Amazon sellers. It's the percentage of ad spend relative to generated sales revenue. Simply put, it shows how efficiently your ads convert spending into sales. Understanding ACOS is crucial; it reveals the profitability of your campaigns. A lower ACOS signifies a better ROI, indicating effective ad spending. This metric allows sellers to gauge ad effectiveness and optimize campaigns. It helps you measure the return on investment and refine strategies. By monitoring ACOS, you can fine-tune bids, target better, and maximize profits. Essentially, it's a vital tool for managing and improving your Amazon advertising performance.

What is ACOS

ACOS calculation: Formula and practical application

The Advertising Cost of Sales (ACOS) formula is a fundamental tool for Amazon sellers to assess the efficiency of their advertising campaigns.

ACOS = (Ad Spend / Sales Revenue) × 100

"Ad Spend" represents the total monetary investment in your advertisements within a specific period. "Sales Revenue," conversely, is the total income generated directly from those ad-driven sales. This formula calculates the proportion of your ad expenditure relative to the sales it produces. By multiplying the result by 100, we convert the decimal into a percentage, which provides a clear and intuitive understanding of how much of your sales revenue is being consumed by advertising costs. For instance, an ACOS of 25% signifies that 25 cents of every dollar in sales are attributed to advertising expenses. This percentage is crucial for evaluating the profitability and effectiveness of your advertising strategies.

Step-by-step example: Let's say you spent $200 on Amazon ads and generated $1,000 in sales from those ads. To calculate your ACOS, you would divide your ad spend ($200) by your sales revenue ($1,000), resulting in 0.2. Then, you multiply 0.2 by 100 to get 20%. Therefore, your ACOS is 20%. This means that 20% of your sales revenue is attributed to your advertising costs.

What is a good ACOS? Benchmarks and interpretation

It's crucial to understand that there's no universal "good" ACOS. What's considered acceptable varies significantly depending on several factors. Avoid fixating on a single benchmark, as what works for one product or category might be detrimental to another. Instead, focus on understanding the context of your specific situation.

What is a good ACOS

Factors influencing a "Good" ACOS

  • Product margins: Products with higher profit margins can tolerate a higher ACOS.
  • Product lifecycle: New products often require a higher ACOS for initial visibility and market penetration, while established products aim for a lower ACOS.
  • Competition: Highly competitive categories typically have higher ACOS due to increased bidding and advertising costs.
  • Business goals: If your goal is to increase brand awareness, a higher ACOS might be acceptable in the short term. Conversely, if profitability is the primary focus, a lower ACOS is essential.
  • Seasonality: Seasonal products may have drastically different ACOS values depending on the time of year.

ACOS should always be interpreted in the context of your overall profitability and return on investment (ROI). A low ACOS doesn't automatically equate to profitability. Consider your product's profit margin and other operational costs. For example, a 10% ACOS might be excellent for a product with a 50% profit margin, but unsustainable for a product with a 15% margin. It is very important to consider the total ROI. A high ACOS with a high ROI is better than a low ACOS with a negative ROI. ACOS is one metric of many that should be used to determine the overall health of your advertising campaigns.

Understanding what is ACOS is just the first step. To effectively lower your ACOS and maximize profit, you need powerful tools that streamline creative processes and enhance ad performance. That's where Pippit comes in, offering features designed to help you create high-converting ads and track results with ease.

Boost your ACOS with Pippit's powerful ad creation tools

Pippit is your creative arsenal for crafting high-impact video ads that drive down ACOS. This innovative platform transforms your product listings into engaging video stories, leveraging AI to streamline content creation. Featuring one-click video generation, customizable templates, and in-depth performance tracking, it empowers Amazon sellers to refine ads swiftly and efficiently. Whether you're launching a new product, scaling a best-seller, or trying to boost underperforming campaigns, this tool empowers you to deliver ads that convert. Let’s walk through how to use Pippit to build high-converting videos that can drive down your ACOS and boost your ROI.

Pippit's interface

Steps to create high-converting ad creatives for lower ACOS

Ready to turn your product pages into performance-driven ad creatives? Follow these simple steps to create engaging, conversion-focused videos that help lower your ACOS using Pippit:

    STEP 1
  1. Enter product link or media

To get started crafting ads that lower your ACOS, open Pippit and go to the Video Generator in the left-hand menu. You can either paste your product details or upload media files, such as images and videos, to be included in your marketing video. Once your content is uploaded, click 'Generate,' and the tool will automatically create a captivating social media channel marketing video tailored to drive sales on Amazon. With its user-friendly interface and AI-powered automation, Pippit simplifies the ad creation process, making it an ideal choice for sellers aiming to produce high-quality, engaging ads that efficiently lower their ACOS.

Enter product link or media

A new window titled "How you want to create a video" will appear. Pippit will automatically extract visuals and product details from your link. Enable the "Auto enhance" feature to apply a clean white background, perfect for making your product stand out in sponsored listings. Then scroll down to select your Video type and personalize it with features like Smart avatars, Voiceovers, Language selection, and Video length. You can mix and match these options to fine-tune your creativity. Once everything looks good, click "Generate" to produce an eye-catching Amazon ad video that is built to lower ACOS and boost conversions.

How you want to create videos
    STEP 2
  1. Generate videos and customize

After generating your initial videos, explore theme-based options like product showcases and promotional clips, each designed to drive sales. To fine-tune your ad for optimal ACOS, hover over your chosen template and click the pencil icon or 'Quick edit.' This lets you adjust visuals, text, and other elements, ensuring your ad aligns perfectly with your brand and drives conversions.

Preview generated videos and click Quick edit

Inside the editing panel, personalize your ad to maximize impact. Refine the script, select AI avatars, and adjust voice settings to create a compelling narrative that resonates with your target audience. Add your own media, edit text, customize fonts, caption colors, and transitions to further enhance engagement and lower your ACOS.

Modify script, avatar, voice, text and media

For advanced customization, click 'Edit more' in the top right corner. It unlocks a full suite of tools to elevate your ad's performance. Add dynamic elements, integrate music, adjust sound levels and speed, modify backgrounds and animations, and more. Adapt aspect ratios for different platforms by clicking the ratio button, ensuring your ad looks perfect wherever it's shown. These features enable you to create highly engaging ads that capture attention, drive sales, and ultimately lower your ACOS.

Refine the video
    STEP 3
  1. Export, publish and track performance

After finalizing your ad edits, click the export button in the top right corner. Select 'Publish' or 'Download,' then click 'Download.' Choose your desired resolution, quality settings, frame rate, and format, ensuring compatibility with Amazon's ad requirements, before clicking 'Export.' Once exported, you can publish your video directly to your Amazon campaigns. Pippit also offers built-in performance tracking tools to help you monitor how your ad is performing. Review key engagement metrics to understand what’s driving conversions and refine your future campaigns for better ACOS results.

Download or publish video

Features of Pippit for optimizing ACOS

  • One-click video generation

Instantly transform your product link or uploaded media into a fully structured ad video. The AI video generator eliminates the need for complex editing or design skills, allowing Amazon sellers to produce high-converting creatives in minutes, helping reduce time-to-market and lower ACOS through fast deployment.

One-click video generation
  • Customizable templates

Choose from a variety of professionally designed video layouts that can be tailored to your brand, product features, and target audience. These templates help ensure your ads are visually engaging and aligned with buyer expectations, ultimately driving more clicks and conversions.

Customizable templates
  • Advanced background removal

Automatically remove distracting or unprofessional backgrounds from product images and videos with a single click. This ensures a clean, polished look that focuses attention on the product, increasing credibility and enhancing the effectiveness of your Amazon listings.

Background removal
  • Multi-track editor

Use a powerful yet intuitive editing interface to layer text, animations, background music, voiceovers, and transitions. The flexibility of the multi-track editor allows you to create dynamic, emotionally resonant ads that connect better with viewers and increase conversion rates.

Multi-track editor
  • Performance tracking

Pippit includes built-in analytics tools that allow you to track views, engagement, and performance metrics. These insights help you evaluate which creatives are delivering the best results and refine future campaigns to further lower ACOS and boost ROI.

Analytics dashboard

How to lower ACOS & maximize profit on Amazon ads

Lowering your advertising cost of sales is crucial for boosting profitability on Amazon. Achieving this requires a strategic approach, focusing on efficiency and relevance. Here's how to refine your campaigns for maximum impact:

  • Refine targeting for better audience relevance: Ensure your ads are shown to the most likely buyers by leveraging Amazon's targeting options. Narrow down your audience by demographics, interests, and purchasing behavior to increase click-through and conversion rates, thus lowering ACOS.
  • Optimize bidding strategies to maximize ROI: Adjust your bids based on performance data. Analyze which keywords and placements drive the most sales and allocate your budget accordingly. Use bid adjustments, like placement adjustments, to get the most out of your budget.
  • Focus on high-converting keywords: Prioritize keywords that drive actual sales using Amazon's search term reports. Pippit creates videos showcasing these keywords in action. Visually demonstrating product usage with these keywords enhances ad relevance and boosts conversion rates.
  • Leverage automatic campaigns for insights: Use automatic campaigns to discover new, relevant keywords and identify potential optimization areas. Pippit tracks video ad performance with these keywords. Analyze search terms that drive sales to refine manual campaigns and improve overall efficiency.
  • Adjust campaign budgets based on performance: Continuously monitor campaign performance and reallocate budgets to high-performing campaigns based on real-time data. Pippit's analytics help assess video ROI for budget adjustments. This ensures that ad spend is concentrated on the most profitable campaigns, optimizing ACOS.

Real-world case studies of improving ACOS

Effective ad creatives are pivotal in optimizing the Advertising Cost of Sale (ACOS) on Amazon. By strategically enhancing ads to be more engaging and targeted, sellers can see substantial improvements in both performance and profitability. Here are a few case studies showcasing how improved creative strategies can directly impact ACOS.

Case studies
    1
  1. Captain BI and outdoor category seller

An outdoor products seller teamed up with Captain BI to restructure their Amazon advertising campaigns. By discontinuing underperforming ads and redirecting budgets toward high-converting Sponsored Brands video ads and Sponsored Products, they significantly optimized their spend. This approach reduced their ACOS from 35% to just 10% in three months and led to a 5x increase in ad-driven sales. The campaign also saw conversion rates double, proving the value of cleaner, performance-focused ad creatives.

    2
  1. JNW direct's intraday campaign optimization

JNW Direct partnered with Perpetua to leverage Amazon Marketing Stream for real-time campaign performance data. They adjusted bids on an hourly basis, targeting time slots with optimal return potential while cutting back during high-ACOS periods. As a result, their ACOS dropped by 21%, CPC decreased by 18%, and sales jumped by 127%. The fine-tuning approach allowed them to maximize ad efficiency without increasing overall spend.

    3
  1. Cleeneez's Amazon DSP and PPC integration

Cleeneez integrated Amazon DSP with their existing PPC campaigns through a collaboration with Amazing Marketing Co. This dual approach expanded their audience targeting while maintaining strong conversion-focused placements. Within three months, they grew monthly sales by over $100,000 and reduced ACOS from 36% to 25%. Their team emphasized that creative quality across both ad types played a vital role in engaging potential buyers at multiple funnel stages.

    4
  1. JumpFly's campaign restructuring

JumpFly worked with an e-commerce brand to refine their Amazon advertising strategy using campaign segmentation and negative keyword optimization. These adjustments helped avoid wasted spend on irrelevant clicks and allowed higher budget allocation to winning products. The brand’s ACOS dropped by 26% while monthly ad spend was cut by more than half. This data-backed restructure also improved ad relevance scores, leading to better placements in competitive categories.

    5
  1. RJW Advertising's comprehensive PPC management

A UK-based Amazon seller was facing stagnant sales and rising ACOS before working with RJW Advertising. Their team overhauled the PPC structure, refined keyword targeting, and implemented A/B testing on creatives. As a result, ACOS dropped by 10% and the brand saw a 40% year-over-year increase in sales. The shift to data-driven video creatives helped the brand connect better with its target audience, driving higher engagement and conversions.

Conclusion

Mastering what is ACOS is vital for Amazon success, requiring both calculation understanding and strategic optimization. Pippit simplifies this, offering tools for creating high-converting video ads. Utilizing its features, you can refine your campaigns, improve engagement, and ultimately lower ACOS. By leveraging one-click video generation and real-time tracking, you gain powerful insights to drive sales. Don't let high ACOS limit your growth. Try Pippit now and maximize your Amazon ROI.

FAQs

    1
  1. What is the difference between ACOS and ROAS?

ACOS (Advertising Cost of Sales) represents the percentage of ad spend relative to sales revenue, while ROAS (Return on Ad Spend) shows the revenue generated per dollar spent. Essentially, what is ACOS in relation to ROAS is that they are inverse metrics, showing different sides of the same advertising performance. To help improve either metric, Pippit offers analytics to refine your ads, allowing you to see how changes to your video ads impact these numbers.

    2
  1. What is the difference between ACOS function and other advertising metrics?

The ACOS function specifically focuses on the ratio of ad spend to sales revenue, providing a direct measure of advertising efficiency. Other metrics, such as click-through rate (CTR) or conversion rate, focus on different aspects of campaign performance. Understanding the overall impact of advertising requires tracking more than one metric. Pippit provides comprehensive tracking to understand all metrics, and also helps to create video ads that improve CTR and conversion rates.

    3
  1. How do ACOS marketing strategies evolve with ad performance over time?

ACOS marketing strategies evolve based on performance data. Initially, strategies may focus on increasing visibility and driving traffic, leading to a higher ACOS. Over time, as campaigns mature, strategies shift towards optimizing profitability, aiming to lower ACOS through refined targeting and bidding. ACOS Amazon strategies must evolve over time. Pippit helps with this by providing performance tracking, and the ability to rapidly change and test new ad creatives, enabling you to adapt your strategies quickly.