Free SEO calculators
Thirteen simulators that answer with numbers the questions most teams settle by instinct: what SEO costs, what it returns, when it pays back, what a ranking is worth, and whether your site is even citable by AI answer engines. No account, no data sent: everything runs in your browser.
SEO ROI calculator
Free SEO ROI calculator: enter your traffic, conversion rate, deal value and monthly cost to get the gross profit, the return on investment and the exact month the programme pays for itself.
Budget & pricingSEO budget estimator
Estimate a realistic monthly SEO budget from your market, site size, maturity and ambition, with the split across technical work, content, links and strategy.
ROI & forecastingSEO traffic forecast calculator
Forecast the organic clicks a keyword set will produce at any position, using the published CTR curve discounted for ads, featured snippets and AI Overviews.
Budget & pricingAgency vs freelancer vs in-house cost calculator
Compare the real year-one cost of an SEO agency, a freelancer and an in-house hire, including employer contributions, tools, recruitment and your own management time.
ROI & forecastingKeyword value calculator
Put a number on a single keyword: monthly clicks at your position, gross profit generated, and what buying the same traffic in Google Ads would cost.
Content & linksContent marketing ROI calculator
Model a content programme month by month: true cost per article, compounding traffic, content decay and the month the library pays for itself.
Content & linksLink building budget calculator
Price a link acquisition campaign properly: placement fees, outreach labour, reply rates and the months needed to close the referring-domain gap.
ROI & forecastingSEO vs Google Ads calculator
Compare paid search and SEO over a multi-year horizon: total spend, conversions, cost per acquisition and the month organic becomes the cheaper channel.
Technical & AI searchCore Web Vitals ROI calculator
Estimate the revenue a page speed programme unlocks: LCP, INP and CLS verdicts, conversion elasticity, incremental gross profit and payback.
Technical & AI searchGEO visibility scorecard
Score your site's readiness to be found, parsed, trusted and quoted by AI answer engines, with a weighted checklist and a prioritised gap list.
Technical & AI searchLocal SEO ROI calculator
Size the value of local search for a physical business: map pack position, calls and direction requests, customers and gross profit per location.
Technical & AI searchSEO health self-audit
Score your SEO across indexability, content, authority, experience and measurement, and get a prioritised order of work based on weighted gaps.
Budget & pricingSEO tool stack budget calculator
Price your SEO software stack: an all-in-one suite plus specialists versus a best-of-breed set, with free alternatives costed at zero where they genuinely exist.
How to use these simulators without fooling yourself
A simulator predicts nothing: it makes explicit the assumptions you are already carrying. Its value is that it forces you to write down a conversion rate, a margin and a ramp-up period, and then to see which of the three is actually carrying the conclusion. Change one input at a time: if the result collapses the moment margin moves from 50 to 35 %, your decision is about margin, not about SEO.
Two rules make these models useful in a meeting. First, always present three scenarios — conservative, central, upside — rather than a single number that invites an argument about method. Second, work in gross profit rather than revenue: it is the only figure comparable to a provider's fee, and the most common omission in SEO business cases.
Finally, confront the output with real data as soon as you can. Your own Search Console impressions beat any estimated volume, and the verified performance published on this site shows what comparable programmes actually produced.