ROAS Calculator

Calculates ROAS and ROI from ad spend and ad revenue and, when you add your margin, the break-even ROAS below which ads lose money. It also works out CTR, CPC, CPM, CVR and CPA and the budget needed for a revenue target.

How to use

1. On "ROAS & ROI", enter "Ad spend" and "Ad revenue" to get the ROAS. Add your "Margin" to also see "Ad profit", "ROI" and "Break-even ROAS".
2. Enter a "Target ROAS" to see how much you can spend for that revenue.
3. On "Ad metrics", enter only the numbers you know, such as impressions, clicks and spend. The other metrics are worked out and blanks are filled in backwards.
4. On "Plan for a target", enter the "Target ad revenue", conversion rate, cost per click and average order value to get the "Ad budget needed" and "Clicks needed".

How it works

• ROAS = ad revenue ÷ ad spend × 100%. ROI = (ad revenue × margin − ad spend) ÷ ad spend × 100%. Break-even ROAS = 1 ÷ margin × 100%.
• Margin here is the share of revenue left after product cost, fees and shipping. Ad spend is then taken from it to give the ad profit.
• In the target plan, counts are rounded up. Real CPC and conversion rates change from day to day.
• Your inputs and the chosen tab are kept in this browser and come back when you open the page again.

Questions and answers

What does a ROAS of 400% mean?

Each 1 of ad spend brought 4 of revenue. Spending 1,000 on ads and getting 4,000 in ad revenue is a ROAS of 400%.

How do I calculate break-even ROAS?

Divide 1 by your margin. A 25% margin needs a ROAS of 400% to break even, and a 50% margin needs 200%. Below that, the ads lose money.

What is the difference between ROAS and ROI?

ROAS divides revenue by ad spend. ROI divides the profit left after margin and ad spend by the ad spend. A high ROAS can still give a negative ROI when the margin is low.

How are CPA and CPC calculated?

CPC is ad spend ÷ clicks and CPA is ad spend ÷ conversions. Enter spend, clicks and conversions on "Ad metrics" to see both.