ROAS measures revenue efficiency, not net profit. It excludes product costs, payroll, agency fees, refunds and other expenses unless they affect the revenue or ad-spend figures you enter. The calculation runs in your browser, and the amounts are not uploaded.
Private browser utility / Calculators
Free ROAS Calculator
Runs entirely in your browser - no upload, no sign-up.
Use revenue credited to the same campaign and date range.
Include the media cost used to produce that revenue.
Optional profit context
Used only to estimate break-even ROAS and contribution after ads.
Ready to calculate ROASEnter attributed revenue and ad spend to see the return as a multiple, ratio, and percentage.
What does a ROAS calculator measure?
A ROAS calculator divides revenue attributed to advertising by the cost of those ads. It shows how much revenue came back for each unit of ad spend as a multiple, ratio, and percentage. Add gross margin to estimate the ROAS needed to cover product costs and ad spend.
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How to use
- 01Enter attributed revenue
Use the revenue credited to one campaign, channel or reporting period.
- 02Enter matching ad spend
Add the media cost from the same scope and period; results update live.
- 03Add margin if useful
Optionally enter gross margin to estimate break-even ROAS and contribution after ad spend.
- 04Compare or copy
Read the multiple, ratio, percentage and supporting figures, then copy the result for a report.
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Who it's for
- Paid media teams comparing Google Ads, Meta Ads or other campaigns on the same attribution basis.
- E-commerce operators checking whether campaign ROAS clears a margin-based break-even threshold.
- Agencies turning client revenue and media spend into a clear multiple, ratio and percentage.
- Founders and analysts checking a dashboard value or planning the revenue needed from an ad budget.
FAQ
Is this ROAS calculator free?
Yes. The ROAS calculator is free, requires no sign-up and can be used repeatedly. Enter revenue and ad spend to get the multiple, ratio and percentage. Gross margin is optional and only adds break-even context; it does not change the core return-on-ad-spend calculation.
Is my campaign data uploaded?
No. The calculation runs locally in your browser, so the revenue, ad spend and gross margin you enter are not uploaded. You can clear the fields when finished. The page needs no account and makes no server request to calculate or format the result.
What are the calculator limits?
Revenue and ad spend must be non-negative and no greater than 999,999,999,999,999. Ad spend must be above zero because it is the formula denominator. Gross margin is optional and accepts values from 0% through 100%. The calculator handles common comma and dot number formats.
What is the ROAS formula?
ROAS equals attributed revenue divided by ad spend. A campaign with 24,000 in attributed revenue and 6,000 in ad spend has a 4x ROAS, also written as 4:1 or 400%. These formats describe the same revenue-to-spend relationship.
What does 500% ROAS mean?
A 500% ROAS means the campaign produced five units of attributed revenue for each unit spent on advertising. It is the same result as 5x or 5:1. It does not mean 500% profit because product costs and other operating expenses are not included.
What is a good ROAS?
There is no universal good ROAS. The useful threshold depends on gross margin, refunds, agency fees, overhead and how accurately revenue is attributed. A 2x result may work for a high-margin business, while a low-margin seller may need 4x or more before the campaign contributes profit.
How do I calculate break-even ROAS?
Divide 100 by gross margin percentage, or divide 1 by gross margin as a decimal. At 40% gross margin, break-even ROAS is 2.5x because 40% of 2.5 in revenue equals 1 in gross profit before ad spend. Other operating costs can raise the true threshold.
What is the difference between ROAS and ROI?
ROAS divides attributed revenue by advertising cost and focuses on media efficiency. ROI subtracts costs from the return and divides the gain or loss by the investment. A campaign can report a strong ROAS but weak ROI when product costs, fees, refunds or overhead consume the revenue.