Enter the revenue your ads generated and what you spent to get return on ad spend.
How it works
ROAS (return on ad spend) shows how much revenue each unit of ad spend produced. Enter the revenue from ads and your ad spend, and the calculator divides one by the other, shown both as a ratio (for example 4x) and a percentage (400%).
Formula: ROAS = Revenue from ads / Ad spend.
Advanced options let you add your gross margin to also get your break-even ROAS and your actual profit after ad spend, so you know whether the campaign is genuinely profitable.
Everything runs in your browser. Your numbers are never sent to a server, and there is no signup or limit. Your last entries are remembered locally so the calculator is ready next time.
What you will see
- ROAS (ratio)
- Revenue per unit of spend. 4x means $4 of revenue for every $1 spent.
- As a percentage
- The same figure as a percentage. 4x equals 400%.
Frequently asked questions
What is ROAS?
Return on ad spend is the revenue generated for every unit of currency spent on advertising. A ROAS of 4x (or 400%) means you earned $4 in revenue for each $1 of ad spend.
How do I calculate ROAS?
Divide the revenue attributed to your ads by the amount you spent on those ads. For example, $4,000 in revenue from $1,000 of spend is a 4x ROAS.
What is a good ROAS?
It depends on your margins. A business with thin margins needs a much higher ROAS to be profitable than one with high margins. Turn on Advanced options and enter your gross margin to see your break-even ROAS and your profit after ad spend, then target comfortably above break-even.
What is the difference between ROAS and ROI?
ROAS compares revenue to ad spend only, as a ratio. ROI compares profit to total cost, as a percentage. ROAS can look healthy while ROI is negative if your other costs are high, so use both.
Is this ROAS calculator free?
Yes, free with no signup. It runs entirely in your browser, so your figures never leave your device.