Free ROAS (Return on Ad Spend) Calculator
Calculate your ROAS ratio, profit ROAS, and break-even point in seconds. Compare your ad performance against channel benchmarks and get actionable recommendations to improve your return on advertising investment.
Instant ROAS Analysis
Calculate ROAS ratio, percentage, and revenue per dollar spent with optional profit ROAS
Channel Benchmarks
See how your ROAS compares across Google Ads, LinkedIn, Facebook, and more
Break-Even Analysis
Know your minimum ROAS for profitability based on your gross margin
How it works
Understanding Return on Ad Spend
Master the metrics that determine whether your advertising is truly profitable
What is ROAS and why does it matter?
Return on Ad Spend (ROAS) is the most fundamental metric for evaluating advertising efficiency. It tells you how much revenue you generate for every dollar invested in advertising. Unlike broader metrics such as ROI, ROAS focuses specifically on the relationship between ad spend and the revenue those ads generate. For B2B and SaaS companies running paid acquisition campaigns, ROAS is essential for understanding which channels, campaigns, and audiences deliver the best returns -- and where you are wasting budget.
The ROAS formulas
ROAS Ratio = Revenue from Ads / Ad Spend
ROAS Percentage = ((Revenue from Ads - Ad Spend) / Ad Spend) x 100
Profit ROAS = (Revenue from Ads - COGS) / Ad Spend
Break-Even ROAS = 1 / Gross Margin (as decimal)
Cost per Acquisition = Ad Spend / Number of Conversions
How to improve ROAS
- -Refine audience targeting to focus spend on high-intent buyers most likely to convert
- -Improve ad creative and copy to increase click-through rates and quality scores
- -Optimise landing pages for conversion with clear CTAs, social proof, and fast load times
- -Implement retargeting to recapture visitors who showed interest but did not convert
- -Balance paid with organic by investing in SEO and content marketing for compounding, low-cost acquisition
ROAS benchmarks by channel
Frequently Asked Questions
Everything you need to know about return on ad spend
What is ROAS (Return on Ad Spend)?
ROAS is a marketing metric that measures the revenue generated for every dollar spent on advertising. It is calculated by dividing the revenue attributed to ads by the total ad spend. For example, if you spend $10,000 on Google Ads and generate $40,000 in revenue from those ads, your ROAS is 4:1 -- meaning you earn $4 for every $1 spent. ROAS is one of the most important metrics for evaluating the efficiency of your demand generation strategy.
What is a good ROAS?
A good ROAS depends on your industry, channel, and profit margins. The commonly cited benchmark is 4:1 (400%), meaning $4 in revenue for every $1 in ad spend. However, the true minimum depends on your margins. A business with 80% gross margins can be profitable at 1.25:1 ROAS, while a business with 25% margins needs at least 4:1 ROAS to break even. Use the break-even ROAS feature in our calculator to find your specific threshold.
What is the difference between ROAS and ROI?
ROAS measures revenue generated per dollar of ad spend and only considers advertising costs. ROI (Return on Investment) is a broader metric that factors in all costs including cost of goods sold, operational expenses, salaries, and overhead. A campaign can have a strong 5:1 ROAS but a negative ROI if product margins are thin and operational costs are high. ROAS is best for evaluating ad channel efficiency, while ROI provides the complete profitability picture. Our CAC calculator helps you understand total acquisition costs beyond just ad spend.
How do I calculate break-even ROAS?
Break-even ROAS is calculated by dividing 1 by your gross profit margin expressed as a decimal. If your gross margin is 50%, your break-even ROAS is 1 / 0.50 = 2:1. If your margin is 25%, your break-even ROAS is 1 / 0.25 = 4:1. Any ROAS above the break-even point generates profit from advertising, while ROAS below it means you are losing money after accounting for the cost of goods. Enter your gross margin in our calculator to see your break-even point automatically.
What is profit ROAS and why does it matter?
Profit ROAS (also called net ROAS) subtracts the cost of goods sold from revenue before dividing by ad spend. The formula is (Revenue - COGS) / Ad Spend. Standard ROAS can be misleading because it ignores product costs entirely. A 4:1 ROAS sounds impressive, but if your COGS consume 80% of that revenue, the profit ROAS is only 0.8:1, meaning you are actually losing money on every sale driven by ads. When evaluating your paid ads versus content marketing, profit ROAS gives a much more accurate comparison.
How does ROAS vary by advertising channel?
ROAS varies significantly across channels. Google Ads Search averages 4:1, with Shopping campaigns often reaching 5:1 or higher due to strong purchase intent. Facebook and Instagram Ads typically see 3-5:1. LinkedIn Ads average 2-3:1 but are highly effective for B2B due to precise professional targeting. TikTok Ads range from 2-5:1 depending on the product. Display and programmatic advertising generally see lower ROAS of 1-2:1 as they target users earlier in the buying journey. The right channel depends on your audience and deal type.
How can I improve my ROAS?
The most effective ways to improve ROAS include: refining audience targeting to reach higher-intent buyers; improving ad creative and copy for better click-through rates; optimising landing pages for higher conversion rates; implementing retargeting campaigns; increasing average order value through upselling; pausing underperforming campaigns and reallocating budget to top performers; and testing different bidding strategies. Additionally, consider balancing your paid channels with organic channels like SEO to reduce overall acquisition costs.
Should I use ROAS or CPA to evaluate my ad campaigns?
Use both metrics together for a complete picture. ROAS measures revenue efficiency and is ideal when order values vary significantly across customers. CPA (Cost per Acquisition) measures how much you spend to acquire each customer and is simpler to optimise when order values are consistent. For B2B companies with varying deal sizes, ROAS is often more informative. For subscription businesses with uniform pricing, CPA may be easier to benchmark. Our CAC calculator provides a comprehensive view of all acquisition costs, not just advertising.
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Use Calculator →Get a Custom Ad Spend Analysis
Schedule a consultation for personalised ROAS benchmarking and recommendations for your specific campaigns.
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