SEO is not an expense, it is an investment you can measure. Enter your traffic, your conversion rates and your customer value: the calculator estimates in real time the leads, the customers and the additional revenue your SEO can generate, along with your break-even point.
The calculator
Adjust each assumption: the calculation updates instantly. Discover the leads, the customers and the revenue your SEO can generate.
Your assumptions
Start from your real figures for a useful estimate.
Indicative estimate based on your assumptions, to be refined with an audit. SEO is built over time: the return accelerates as your rankings strengthen.
Free audit: we analyse your real traffic and your conversion potential
Calculated locally in your browser. No data is sent.
Decoding the numbers
Three indicators tell the same story from three angles. Here is how to read them and decide with your eyes open.
It compares the additional revenue generated over a year with your SEO investment over the same period. Above 0%, your SEO earns more than it costs. This is the horizon that counts: SEO is judged over time and the curve climbs as the months pass.
This is the headline figure: the extra revenue your new visitors can generate over a year. It shows the leverage of SEO, where traffic you have acquired keeps paying month after month, without spending again.
The number of months needed for the additional revenue to cover your investment. The higher your customer value and the sharper your conversion, the shorter this point. It is the indicator that speaks to decision-makers.
Lifting the curve
Move these three variables and your whole ROI changes. Serious SEO works them together, not one after the other.
Attract
More visitors from the right keywords, the ones with buying intent. SEO works the base of your funnel: without targeted traffic, no lever can fire. It is the fuel for the whole curve.
Convert
The share of visitors who become leads. A clear, fast and reassuring site converts far better. Gaining a single point of conversion can double your enquiries without touching traffic volume: that is the multiplier effect.
Monetise
The average revenue a customer brings you. The higher it is, the more each new lead weighs on your ROI and the closer your break-even point. It is what makes the curve climb the fastest.
Our conviction
Too many businesses see SEO as a vague line of cost. That is a mistake of perspective: SEO is an asset. Once your pages rank well, they attract customers month after month without renewing the bill, where every advertising click is paid for one by one. That is the whole point of thinking in terms of ROI rather than budget.
This calculator exists to make that logic concrete: it sets your investment against the revenue the traffic gained can generate. It makes the leverage visible, but it does not replace a real analysis. Real volumes, the competition and your conversion potential drive our whole approach to organic search.
Then it comes down to turning these assumptions into a concrete path: which keywords to target, at what pace, for what return. That is the heart of our work, and our measurable case studies show what it delivers. To put the investment in context, everything is on our page about the cost of SEO.
Your questions answered
ROI (return on investment) in SEO measures what your organic search brings in compared with what it costs. It is calculated from the additional revenue generated by the traffic gained, set against your monthly investment. Unlike advertising, SEO ROI improves over time: well-ranked content keeps attracting customers without spending again.
It starts from your assumptions: current and target traffic, visitor-to-lead conversion rate, lead-to-customer conversion rate, average customer value and SEO budget. From there, it estimates the extra leads and customers per month, the additional monthly and annual revenue, your 12-month ROI and your break-even point. It is an indicative projection, to be refined with an audit.
It depends on your sector, your customer value and the competition. SEO often has one of the highest ROIs of any acquisition channel over time, because the traffic you gain is not paid for on every visit. But it takes patience: the first months build the rankings, then the return accelerates. Our free audit gives you a realistic projection for your business.
The break-even point shown by the calculator assumes the target traffic is already reached. In practice, it usually takes several months to climb Google's results, then the additional revenue settles in and the return becomes lasting. The higher your customer value, the shorter this point once the traffic is acquired.
It is an indicative projection, not a guarantee. It is only as good as your assumptions: if your conversion rates or customer value are rough, the result will be too. The point is to understand the levers and the order of magnitude. For a realistic projection, based on your real data and your market, our free audit takes over.
By requesting our free audit. We analyse your real traffic, your keywords, your competition and your conversion potential, then build an ROI projection based on your figures and a prioritised action plan. You know exactly what SEO can bring you before you invest.
Also worth reading
Our free audit analyses your real traffic, your keywords and your conversion potential, then delivers an ROI projection based on your figures and a prioritised action plan, with no strings attached