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ROAS (Return on Ad Spend) Calculator

Calculate your advertising profitability and optimize your marketing budget.

Your ROAS

0.00x

Profit (Net)

$0.00

What is ROAS and Why Does It Matter?

Return on Ad Spend (ROAS) is a critical marketing metric that measures the efficacy of a digital advertising campaign. It helps businesses understand which methods are working and how they can improve future advertising efforts. Unlike ROI, which considers total profit after all expenses, ROAS focuses specifically on the gross revenue generated per dollar spent on advertising.

The ROAS Formula

ROAS = Total Campaign Revenue / Total Campaign Cost

For example, if you spend $1,000 on Google Ads in a month and generate $5,000 in revenue, your ROAS is 5:1 or 500%.

Example Calculations

  • E-commerce Campaign: Spent $2,500, generated $10,000 in sales. ROAS = 4.0x.
  • Lead Gen Campaign: Spent $500, generated $1,500 in estimated value. ROAS = 3.0x.
  • High Growth Campaign: Spent $10,000, generated $80,000 in sales. ROAS = 8.0x.

What is a "Good" ROAS?

A "good" ROAS depends heavily on your profit margins, industry, and operating expenses. However, common benchmarks include:

ROAS Ratio Status
Below 2:1 Usually unprofitable (consider revising ads)
4:1 The "Golden Standard" for healthy growth
8:1 or higher Exceptional performance
function calculateROAS() { var spend = document.getElementById("ad_spend").value; var revenue = document.getElementById("total_revenue").value; var resultDiv = document.getElementById("roas_results"); var ratioDisplay = document.getElementById("roas_ratio"); var profitDisplay = document.getElementById("roas_profit"); var percentageDisplay = document.getElementById("roas_percentage"); // Convert to numbers var spendNum = parseFloat(spend); var revenueNum = parseFloat(revenue); // Validation if (isNaN(spendNum) || isNaN(revenueNum) || spendNum <= 0) { alert("Please enter valid positive numbers for Ad Spend and Revenue."); return; } // Calculations var roas = revenueNum / spendNum; var profit = revenueNum – spendNum; var percentage = roas * 100; // UI Updates ratioDisplay.innerHTML = roas.toFixed(2) + "x"; profitDisplay.innerHTML = "$" + profit.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); percentageDisplay.innerHTML = "Your return on investment is " + percentage.toFixed(0) + "%. For every $1 spent, you earned $" + roas.toFixed(2) + "."; // Set color based on performance if (roas = 4) { profitDisplay.style.color = "#27ae60"; } else { profitDisplay.style.color = "#f39c12"; } resultDiv.style.display = "block"; }

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