SEO ROI calculator: see what SEO is actually worth.
Enter what you’d spend, where you want to rank, and how your business converts. In seconds you’ll see the traffic, customers, and revenue SEO could generate, plus the month it pays for itself. No sign-up, no guesswork.
No black box. Here’s exactly how the number is built.
Every SEO ROI calculator multiplies traffic by conversions by value. Ours is honest about the two things the others fudge: where your traffic comes from, and how long it takes to arrive.
You pick a ranking, not a guess
Most calculators make you invent a "% of visits". We derive it from your target Google position using average organic click-through rates, so the traffic number is grounded, not made up.
We run your funnel
Searches become visitors (via that click-through rate), visitors become customers (your conversion rate), and customers become revenue (your average value). That is your steady-state monthly return.
We model the ramp
SEO compounds over months, it does not switch on overnight. The payback curve shows revenue building against a flat monthly spend, and the month the two lines cross, your break-even.
The formula: searches × click-through rate (by ranking) = visitors; visitors × conversion rate = customers; customers × average value = revenue; (revenue − spend) ÷ spend = ROI.
SEO ROI: your questions, answered.
What is SEO ROI?+
SEO ROI (return on investment) is how much revenue your search engine optimisation earns compared to what you spend on it. Expressed as a percentage: (revenue from SEO − cost of SEO) ÷ cost of SEO × 100. A 175% monthly ROI means every 1 unit of currency spent returned 2.75 back.
How is SEO ROI calculated in this tool?+
We estimate monthly organic visitors from your target Google ranking (using average click-through rates by position) and your keywords’ monthly search volume. We apply your visitor-to-customer rate to get customers, multiply by your average customer value to get revenue, then compare that revenue to your monthly SEO spend. A 12-month ramp models how SEO builds over time.
What is a good SEO ROI?+
It varies by industry, but a healthy SEO campaign typically returns somewhere between 2× and 8× its cost once rankings mature. Because organic traffic keeps compounding without per-click cost, SEO usually delivers a stronger long-term ROI than paid ads, it just takes longer to get going.
How long does SEO take to pay off?+
Most campaigns start showing movement in three to six months and reach a meaningful return between months six and twelve. That is why this calculator shows a ramped payback curve rather than a single flat number, the early months earn only a fraction of the eventual monthly revenue.
How accurate is this SEO ROI calculator?+
It is a planning estimate, not a promise. The click-through and ramp assumptions are industry averages, and your real results depend on your market, content quality, competition, and how well your site converts. Use it to sense-check whether SEO is worth the investment and to compare scenarios, not as a guaranteed forecast.
Does spending more on SEO guarantee better rankings?+
No. Budget buys more and better work (content, technical fixes, authority building), which improves your odds, but rankings depend on factors no agency fully controls. Be wary of anyone guaranteeing a number-one spot. What good SEO guarantees is the work, the transparency, and steady measurable progress.
Like the numbers? Let’s make them real.
Tell us about your business and we’ll show you where you stand in search today, and exactly what it would take to hit the targets you just modelled.