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ROAS Calculator

Calculate return on ad spend to see how much revenue your advertising generates for every amount spent.

Your Details

Overview

A ROAS calculator helps you measure how efficiently your advertising turns spend into revenue. Enter your ad spend, attributed revenue, and any direct costs you want to include to estimate ROAS, net profit after ads, and post-ad profit margin.

How it works

ROAS is calculated by dividing attributed revenue by ad spend. For example, a ROAS of 4.00x means every 1 unit of ad spend generated 4 units of revenue. To give more context, this calculator also estimates net profit after subtracting ad spend, cost of goods sold, and other variable costs from revenue. This helps show that strong ROAS does not always mean strong profitability.

How to use this calculator

  1. 1Enter the total ad spend for the campaign or channel.
  2. 2Add the revenue attributed to that advertising.
  3. 3Enter cost of goods sold if you want a profit-based view.
  4. 4Add any other variable costs linked to those sales.
  5. 5Review the calculated ROAS, net profit after ads, and margin.

Example Calculation

Ad spend

$1,000

Revenue from ads

$4,000

Cost of goods sold

$1,500

Other variable costs

$300

ROAS

4.00 x

With 1000 in ad spend and 4000 in attributed revenue, the ROAS is 4.00x. After subtracting 1500 in cost of goods sold, 300 in other variable costs, and the ad spend, estimated net profit after ads is 1200.

Frequently asked questions

What does ROAS mean?

ROAS stands for return on ad spend. It shows how much revenue you generate for each 1 unit spent on advertising.

What is a good ROAS?

A good ROAS depends on your margins, business model, and overhead. A high ROAS can still be unprofitable if product or fulfilment costs are also high.

What is the difference between ROAS and ROI?

ROAS looks at revenue compared with ad spend, while ROI usually looks at profit compared with total investment or cost.

Should I include taxes in revenue or costs?

For cleaner comparisons, many users exclude sales taxes and focus on net revenue and business costs, but consistency matters most.

Why does profit matter if ROAS is high?

ROAS measures revenue efficiency, not full profitability. Direct costs, shipping, fees, and margins can significantly affect the real result.

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Assumptions and warnings

Assumptions

  • Revenue entered is correctly attributed to the ad spend being measured.
  • Ad spend, revenue, and costs all cover the same time period.
  • Cost of goods sold and other variable costs are entered consistently and exclude duplicated items.
  • Results are estimates and do not include taxes, fixed overhead, or broader business costs unless added manually.

Warnings

  • This calculator provides estimates only and is not financial or marketing advice.
  • Attribution models can materially change ROAS and profit results.