Project Ouroboros launched 17 free construction calculators in April 2026. Six weeks later there is enough Search Console data to say which ones are getting impressions, which ones are converting impressions to clicks, and what the CPM on AdSense looks like at this traffic level. The numbers are not large enough to draw strong conclusions, but they are real, and the pattern is already informative.
Which calculators are getting organic impressions
Voltage drop is the clear leader. The voltage drop calculator picks up impressions daily, driven by queries like “voltage drop calculator,” “voltage drop formula,” and “NEC 210.19 voltage drop.” The NEC citation in the tool appears to be pulling in people specifically looking for code-compliant answers, which is a narrower audience than general electricians but a better-converting one.
Conduit fill is second, followed by the wire size calculator. Both of these have large existing search volumes – any electrician sizing a circuit or pulling conduit eventually needs to check fill percentages or ampacity – and the NEC-specific framing on these tools seems to place them in results where the competing pages are less precise.
The general construction tools (drywall estimator, concrete volume, stair stringer) have lower impressions so far. They compete in higher-volume, more generic markets where the SEO competition is established and where a new domain needs more time to earn authority. The electrical-specific tools have an advantage here: the search volume is more contained, the competitor pages are often less technical, and the audience that finds them has a specific, actionable question.
Impressions versus clicks
The click-through rate on impressions is low in the single digits, which is normal for a new domain without established position. The pages that are appearing in position 10 to 20 get occasional clicks; the ones appearing below position 30 get almost none. The gap between impressions and clicks at this stage is mostly a ranking issue, not a title or description issue. Pages do not convert impressions to clicks until they rank well enough for the result to be visible without scrolling.
The voltage drop and NEC wire size pages are the only ones currently generating regular clicks. Both of these have HowTo and WebApplication schema, which makes them more visually distinct in results pages and likely helps with the click-through rate once position improves.
What AdSense pays at this traffic level
The calculator pages are monetized with in-article AdSense units. At the current traffic level, the daily earnings are low – in the range of $0.10 to $0.50 on most days, with occasional spikes when a calculator gets an unusual number of clicks from a well-ranked query. The effective CPM on these pages is higher than a typical blog, which is what you expect from a tool-focused page where the user has a specific intent and a defined professional context.
The AdSense optimization at this stage is not worth dwelling on. The constraint is traffic, not monetization. When a page earns $0.12 in a day, the difference between a $3 CPM and a $5 CPM is two cents. The work that moves the needle right now is getting rankings to improve, which is a function of content quality, schema implementation, and domain authority over time.
What the data suggests about tool selection
The early data reinforces the original tool selection rationale: build calculators that answer specific code-compliance questions for a professional audience. “How many wires fit in a 3/4-inch conduit per NEC Table 1?” is a better starting point than “How much concrete do I need for a slab?” – not because the concrete question is unimportant, but because the electrician with the conduit question needs a precise, code-correct answer and is less likely to already know the answer or to get it from the first result they click.
The tools that have not gained traction yet are the ones targeting broad construction categories without a specific code or professional framing. Adding NEC citations, material specification tables, and trade-specific context to those pages is the next SEO work item. A drywall estimator that outputs material in the same format a bid sheet uses is a better target page than one that simply multiplies room dimensions by a waste factor.
Six-week takeaway
Six weeks is too early to declare a strategy validated, but it is long enough to see which of 17 bets is starting to perform. The electrical-specific, NEC-grounded tools are ahead. The general construction tools need more time and, probably, more specificity. The AdSense numbers are not material yet, but the CPMs suggest the audience is the right one. The next six weeks will be about improving rankings on the pages that already have impressions, not about adding more tools.
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