Free marketing math for better ad decisions
Free ROAS Calculator
Calculate ROAS, profit, and break-even targets in seconds. Start with ad spend and revenue, then add your real ecommerce costs when you need a more honest answer.
Your result is calculated in the browser from the values you enter. Basic ROAS does not include product, shipping, payment, refund, tax, or overhead costs unless you add them.
More than a revenue ratio
Know what your ROAS is telling you
A free ROAS calculator should answer the immediate question quickly, but it should also help you avoid the most common mistake in paid media: treating revenue as profit. Use the simple result for a fast campaign check, then add unit economics before making a scaling decision.
How to use the ROAS calculator
Start simple. Add detail only when it changes the decision.
The fastest way to calculate ROAS is to divide attributed revenue by ad spend. That is useful for comparing campaigns, creatives, and reporting periods. It is not a complete profitability model by itself. If you sell products, open the cost inputs and add the costs that move with each order.
Download the calculator templatePractical decision guide
How to use a ROAS calculator for better budget decisions
A ROAS calculator is most useful when it answers a decision you actually need to make. Use the quick result to compare campaigns or reporting periods, then add product and order-level costs when you need to know whether the revenue can support profitable growth. The number should make the next action clearer, not replace your financial review.
Start with attributed revenue and ad spend from the same period. If you are reviewing a product campaign, add average order value, orders, COGS, shipping, payment fees, refunds, discounts, and other variable costs that move with each order. This turns a simple ROAS calculator into a more useful contribution-margin check without requiring an advertising account connection.
Use the result as a comparison point rather than a universal benchmark. A 3.00x ROAS can be healthy for a high-margin offer and unprofitable for a low-margin offer. Review the gap between actual ROAS, break-even ROAS, and your target ROAS before you increase spend, change bidding, or declare a channel ready to scale.
For weekly reviews, write down the date range, currency, attribution window, and cost assumptions beside the result. If the number changes, identify whether the cause was spend, conversion rate, average order value, refunds, or fulfillment. That context turns a ROAS calculator from a one-time lookup into a repeatable decision process for campaign and budget planning.
ROAS formula
How to calculate ROAS
ROAS means return on ad spend. Divide the revenue attributed to your ads by the amount spent on those ads. If you spend $1,000 and generate $3,000 in attributed revenue, your ROAS is 3.00x, which is the same as 300%.
The formula is intentionally simple. The business decision is not. A 3.00x ROAS can be profitable for a high-margin product and unprofitable for a low-margin product. That is why this site also includes a break-even ROAS calculator and ecommerce cost inputs.
Choose your use case
Use the right ROAS calculator for the decision
The homepage is the fastest general ROAS calculator. These focused pages add the fields and context that matter for break-even analysis, platform reporting, ecommerce profit, target setting, and dropshipping economics.
Download the free ROAS calculator template
Keep a copy for campaign reviews, budget planning, and weekly ecommerce reporting. The template uses the same core inputs as the online tool and opens as a standard CSV file in Excel, Google Sheets, and other spreadsheet apps.
FAQ
ROAS calculator questions
These answers cover the most common questions about the ROAS formula, profitability, and using the calculator for ecommerce and paid social campaigns.
What is ROAS?
ROAS is return on ad spend: attributed revenue divided by ad spend. A 3.00x ROAS means $3 in attributed revenue for each $1 spent on ads.
How do I calculate ROAS?
Enter revenue attributed to your ads and divide it by ad spend. The calculator shows both the x multiple and percentage format.
Is a 3x ROAS good?
It depends on your product margin and operating costs. A 3x ROAS can be strong for one offer and below break-even for another.
Does ROAS include product costs?
Basic ROAS does not. Add product, shipping, payment, refund, and other variable costs to estimate break-even ROAS and profit after ads.
What is break-even ROAS?
Break-even ROAS is the minimum revenue-to-ad-spend ratio needed to cover the variable costs entered for each order.
Can I download the free ROAS calculator?
Yes. Use the download buttons on this page to get the CSV template without registering or entering an email address.