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ROAS Calculator

Calculate return on ad spend from revenue and ad spend. Add profit margin to estimate break-even ROAS and see whether the result is above or below break-even.

Calculator

Calculate ROAS

Total revenue attributed to your ads.

Total amount spent on the ads.

Optional profit margin. You can enter 25, 25%, or 0.25.

Result

ROAS result

Enter values to calculate.

ROAS Ratio
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ROAS Percentage
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Break-even ROAS
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Profitability Status
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Quick answer

What is ROAS?

ROAS measures how much revenue you generate for each dollar spent on advertising. The basic ROAS formula is ROAS = Revenue / Ad Spend. For example, $4,000 in revenue from $1,000 in ad spend equals 4.0x ROAS, or 400% ROAS.

ROAS formula

Use the revenue attributed to a campaign and the ad spend from the same reporting period. This ROAS calculator shows both ratio format and percentage format so the result is easier to compare across reports.

ROAS ratio = Revenue / Ad SpendROAS percentage = (Revenue / Ad Spend) × 100Break-even ROAS = 1 / Profit Margin

For break-even ROAS, use profit margin as a decimal. For example, 25% profit margin is 0.25, so break-even ROAS is 4.0x.

Revenue
Sales or conversion value attributed to your ads.
Ad Spend
The amount spent on the ads that generated the revenue.
Profit Margin
Optional margin used to estimate the ROAS needed to break even before other costs.

ROAS calculation example

If revenue is $10,000 and ad spend is $2,500, ROAS is 4.0x or 400%.

  1. Revenue = $10,000
  2. Ad spend = $2,500
  3. ROAS ratio = $10,000 / $2,500 = 4.0x
  4. ROAS percentage = 4.0 × 100 = 400%

How to use this ROAS calculator

  1. Enter the revenue or conversion value attributed to the campaign.
  2. Enter the ad spend from the same campaign and date range.
  3. Optionally add profit margin to estimate break-even ROAS.
  4. Compare the ROAS result with your target ROAS, margin, and growth goal.

How to interpret ROAS

ROAS ratio vs ROAS percentage

ROAS can be shown as a ratio or a percentage. A 4.0x ROAS is the same as 400% ROAS. Showing both formats avoids confusion when comparing Google Ads, Meta Ads, Amazon Ads, or ecommerce reports.

ROAS is not the same as profit

ROAS compares revenue with ad spend. It does not automatically include product cost, shipping, refunds, platform fees, agency fees, or overhead. Use break-even ROAS to understand whether the result is likely to be profitable.

Compare ROAS with volume

A high ROAS on a tiny budget may not matter as much as a slightly lower ROAS at meaningful scale. Always compare ROAS with spend, conversion volume, and business margin.

Use cases

ROAS by platform and campaign type

Facebook Ads ROAS calculator

For Facebook or Meta Ads, use purchase value or conversion value as revenue, and compare it with the spend from the same campaign, ad set, or ad.

Amazon ROAS calculation

For Amazon Ads, ROAS usually compares attributed sales with campaign spend. Be consistent about the attribution window and whether you use gross sales or net sales.

Google Ads ROAS

For Google Ads, use conversion value and cost from the same reporting view. If your account uses target ROAS bidding, compare actual ROAS with the target and with break-even ROAS.

Avoid mistakes

Common ROAS calculation mistakes

Mixing attribution windows

Do not compare revenue from one attribution window with ad spend from another. Keep campaign, date range, and attribution settings consistent.

Treating revenue as profit

A 3x ROAS can still lose money if margins are low. Add profit margin or calculate break-even ROAS before deciding whether performance is good.

Ignoring refunds and discounts

If possible, use revenue data that reflects discounts, returns, and cancellations. Inflated revenue makes ROAS look better than it really is.

Comparing channels without context

Search, social, shopping, and display campaigns can have very different ROAS profiles. Compare results against the campaign objective, not just against a single universal benchmark.

Related PPC metrics

Use ROAS with related calculators

  • CPC Calculator Use CPC to understand the click cost behind your ROAS.
  • CTR Calculator Use CTR to see whether impressions are turning into clicks before revenue is measured.
  • CPM Calculator Use CPM to compare the cost of reach and impressions across campaigns.

FAQ

ROAS Calculator FAQ

What is ROAS?

ROAS means return on ad spend. It compares revenue generated by advertising with the amount spent on those ads.

How do you calculate ROAS?

To calculate ROAS, divide revenue by ad spend. For example, $10,000 in revenue divided by $2,500 in ad spend equals 4.0x ROAS.

Is 4x ROAS the same as 400% ROAS?

Yes. A ROAS ratio of 4.0x means you generated four dollars of revenue for every one dollar of ad spend. As a percentage, that is 400% ROAS.

What is a good ROAS?

A good ROAS depends on your margins, business model, channel, and growth goals. Start by comparing your ROAS with your break-even ROAS.

What is break-even ROAS?

Break-even ROAS is the minimum ROAS needed to cover ad spend based on profit margin. With a 25% margin, break-even ROAS is 4.0x.

What is the difference between ROAS and ROI?

ROAS focuses on revenue compared with ad spend. ROI usually considers profit and broader costs beyond the advertising spend itself.

Can ROAS be below 1?

Yes. A ROAS below 1.0x means ad spend is higher than attributed revenue. That is usually a warning sign unless the campaign has a long-term or awareness objective.

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