Last updated: March 21, 2026

ROAS Calculator

Table of contents

How It Works

The ROAS calculator analyzes advertising performance in two steps. First, it measures Return on Ad Spend (ROAS). This value compares the revenue generated from ads with the amount you spent on those ads. After entering ad spend and ad revenue, the calculator divides revenue by the cost and converts the result into a percentage. So, it shows how much revenue is generated for every unit of advertising cost.

Next, the advertising ROAS calculator estimates Return on Investment (ROI). ROAS focuses on revenue efficiency. ROI, on the other hand, focuses on profit. The tool subtracts advertising costs from the revenue generated by the campaign. As a result, it shows how much money remains after paying for ads. Because both metrics appear together, the calculator helps users evaluate advertising results more clearly. 

Formula

The ROAS formula calculator uses two simple equations to analyze advertising results. 

ROAS = (Ad Revenue ÷ Ad Spend) × 100
 

Where:

  • Ad Revenue is the total revenue generated from the advertising campaign
  • Ad Spend is the total amount spent on advertising
  • ROAS is the return on ad spend expressed as a percentage

This formula shows how efficiently advertising spending generates revenue.

ROI = Ad Revenue – Ad Spend
 

Where:

  • Ad Revenue is the revenue generated from advertising
  • Ad Spend is the cost of the advertising campaign
  • ROI is the remaining profit after advertising expenses

This calculation shows the actual monetary return from a campaign after you cover the advertising cost. 

Example

Suppose an online store runs a paid advertising campaign. The company spends 500 on ads, and those ads generate 2000 in revenue. 

First, calculate ROAS.

ROAS → (2000 ÷ 500) × 100 = 400%

A ROAS of 400% means the advertising campaign generates four times more revenue than the amount the business spent on ads. For every dollar invested in advertising, the store receives 4 dollars in sales. This indicates that the campaign produces strong revenue relative to its cost.  

Next, calculate ROI to see the profit from the campaign. 

ROI → 2000 – 500 = 1500

The result shows how much money remains after the advertising cost is covered. The campaign generates $2000 in sales, and after subtracting the $500 advertising expense, the store keeps $1500. This amount is the financial return produced by the advertising effort. 

Why ROAS Matters in Marketing

Return on ad spend helps marketers evaluate how effectively advertising campaigns produce revenue. Because it compares revenue directly with ad spend, the metric quickly shows campaign efficiency.

A higher ROAS means the revenue generated from ads is much larger than the advertising expense. In this case, the campaign contributes significant sales relative to its cost. If the value is low, the campaign may require adjustments so that the advertising budget produces stronger results. 

However, revenue doesn’t fully show the true financial outcome of a campaign. That is why ROI is also useful. ROAS measures how efficiently advertising generates revenue. And the ROI shows how much money actually remains after you deduct advertising costs. 

The ecommerce ROAS calculator determines both metrics and helps marketers analyze the real impact of their advertising campaigns quickly and easily.

FAQ

  1. What is the ROAS calculator?
    The ROAS calculator is a tool that measures how much revenue advertising generates compared to the amount spent on ads. It calculates Return on Ad Spend, which helps marketers see whether advertising campaigns generate strong returns. 
  2. How to calculate ROAS manually?
    To calculate ROAS, divide the revenue generated from advertising by the total ad spend. Then multiply the result by 100 to convert it into a percentage. For example, if a campaign generates $2000 in revenue from $500 in ad spend, the ROAS equals 400%.  
  3. What does ROAS tell you about a campaign?
    ROAS shows how efficiently advertising spending generates revenue. Higher values mean that the campaign produces more sales relative to the cost. A lower value suggests that the advertising budget isn’t producing enough revenue. 
  4. What is the difference between ROAS and ROI?
    Roas measures the revenue generated from advertising in relation to the advertising cost. ROI, on the other hand, focuses on profit. It subtracts the advertising cost from the revenue generated by the campaign to show the actual financial return.
  5. Can you use this tool as an ecommerce ROAS calculator?
    Yes. Ecommerce businesses track the performance of product ads using ROAS. You enter the revenue generated from ads and the advertising cost. Then, the calculator helps you measure how effectively marketing spending produced sales. 

 

All things considered, return on ad spend helps businesses understand if their advertising generates enough revenue to justify the cost. By comparing ad spend with the revenue produced by a campaign, marketers can quickly evaluate advertising efficiency and overall financial impact. The ROAS calculator simplifies this process. It calculates both ROAS and ROI and allows you to see how much revenue your ads generate and how much profit remains after you cover advertising expenses. Use the calculator to analyze your campaigns and better understand the return generated by your advertising budgets. 

Return on ad spend (ROAS)
Ad spend
Ad revenue
ROAS
%
You need to make more than you spend on ads. You should aim for 800%.
Return on investment (ROI)
Profit margin
Return on Investment (ROI)
UAH