Make a Notion Page Capture Leads
No code needed. Type /embed, paste one URL, and the tool renders as a native Notion block.
Last updated: June 2026Maintained by CalcStack
Why CalcStack
Why CalcStack for Notion?
Turn a doc into a lead surface
A public Notion page is usually read-only: someone reads it and leaves. Embedding a calculator gives the reader a reason to act inside the page, and the result they generate becomes a lead with full context instead of an anonymous pageview.
Works on Notion sites
If you publish with Super, Potion, or Notion's own public sharing, the embedded tool renders for every visitor exactly as it does in the editor. Your Notion-built landing page or knowledge base captures leads without leaving Notion.
Native block, no code
CalcStack uses Notion's built-in embed block, so there is nothing to install and nothing to maintain. The tool lives on CalcStack and you only paste a URL; the block behaves like any other piece of Notion content.
| Category | Value |
|---|---|
| 2020 | 1M |
| 2021 | 20M |
| 2024 | 100M |
Source: Notion (company-published figures), 2024Total registered Notion users. As more of that base publishes pages to the public web through Share to web, Super, and Potion, an embedded tool turns a read-only page into a lead-capture surface.
How the Notion Embed Works
Notion started as a document and wiki tool, but it has quietly become a publishing platform: teams ship public roadmaps, creators run sites on Super and Potion, and consultants share pitch pages as Notion links. The catch is that a Notion page is almost always read-only. A visitor scrolls, learns something, and leaves with no way for you to know who they were. An embedded interactive tool fixes that. The reader enters their own numbers, sees a result that applies to them, and in the same step becomes a lead you can follow up with.
According to Notion's published figures, the platform surpassed 100 million users in 2024, and a growing share of those users publish pages to the public web rather than keeping them private. That makes Notion a real distribution surface, not just an internal one. A single CalcStack calculator or assessment placed in a public Notion page or a Notion-built site does what the page alone never could: it turns a passive read into a captured lead, using nothing more than the embed block Notion already ships.
Embed Code Reference
Notion does not take raw HTML; it takes a URL in an embed block. Paste the CalcStack embed URL below into a /embed block on your page.
Embed URL (paste into a /embed block)
https://calcstack.net/embed/saas-roi-calculator?customer=your-idFor sites that accept raw HTML (Super custom code)
<iframe src="https://calcstack.net/embed/saas-roi-calculator?customer=your-id" width="100%" height="750" frameborder="0" style="border:none;border-radius:12px;"></iframe>Find your Customer ID in your CalcStack dashboard under Settings. Without it the tool runs as a branded demo with no lead capture. Browse every tool you can drop into a Notion page on the resources page.
Common Issues & Troubleshooting
Notion embeds are dependable once the page is shared correctly. These are the two snags Notion users hit most.
The tool shows for me but not for visitors
Cause: The page is still private. An embed block only renders for people who can open the page, so an unshared page hides the tool from everyone but you.
Fix: Open Share in the top right, enable Share to web (or share to your workspace), and confirm the link is live. The embedded tool then renders for every visitor who opens the public page or your Super or Potion site.
The embed is too short and scrolls inside itself
Cause: Notion gives a new embed block a small default height, so a multi-step calculator gets a scrollbar inside the block.
Fix: Hover the block and drag the bottom handle down to 650 to 800px. The tool is responsive inside the frame, so once the block is tall enough the full flow shows without an inner scroll.
Who Actually Captures Leads Through Notion
The people who get the most out of an embedded tool in Notion tend to be the people who already live there. Independent consultants run their whole practice in Notion and share pitch pages as links; a fit-finder quiz or an ROI estimator on that page turns a passive read of their offer into a qualified intro call. Course creators and template sellers publish resource hubs and lead magnets in Notion; a scorecard that grades the reader gives them a reason to hand over an email in exchange for a result, which is a far stronger trade than a plain newsletter box.
Agencies and small SaaS teams use public Notion pages as lightweight microsites, a changelog, a roadmap, a hiring page, before they have the budget or appetite to build a real site. Embedding a calculator on one of those pages is often the first lead-capture mechanism the team ships, because it requires no developer and no deploy. The pattern repeats: the audience is builders who picked Notion precisely because it lets them move fast, and the embedded tool fits that ethos by adding conversion without adding a stack.
What these users share is a low tolerance for setup. They are not going to manage a CMS or wire up a forms backend for a page that took ten minutes to write. A single embed block that captures the reader's inputs and routes them onward is the right weight of solution for the right weight of page. If your offer lives in Notion, the question is rarely whether a tool would help; it is which one question your reader most wants answered, and a tool that answers it is the cleanest way to learn who they are.
Raw Notion Pages vs Super and Potion Sites
There are two ways a CalcStack tool ends up in front of a visitor through Notion, and they behave differently. The first is a page you publish with Notion's own Share to web toggle. That gives you a notion.site URL, the embed block renders, and anyone with the link can use the tool. It is the zero-setup option, ideal for a pitch page you drop into a cold email or a public resource you want indexed quickly. The trade-off is that you are stuck with Notion's default page chrome, the search bar, the Made with Notion footer, and limited control over fonts and width.
The second route is a dedicated Notion site builder like Super or Potion, which point a custom domain at your Notion content and let you restyle it into something that looks like a real marketing site. Crucially for lead capture, these builders carry your embed blocks straight through to the published site, so a calculator you place once in Notion appears on your branded domain with no second setup. Super and Potion also expose a custom-code area, which means on those platforms you are not limited to the URL-only embed block: you can paste the raw CalcStack iframe and control its exact height and styling.
The decision usually comes down to permanence. If the page is a one-off, a transient proposal or an internal-turned-public doc, publish it natively and move on. If the Notion page is acting as your actual homepage or a long-lived landing page, the few dollars a month for a site builder buys you a custom domain, faster load times through their caching layer, and the styling control that makes an embedded tool feel native rather than bolted on. The tool itself does not change; only the frame around it does.
Will Search Engines See a Tool Embedded in Notion?
This is the question that trips up people treating a Notion page as an SEO surface, so it is worth being precise. An embedded tool lives inside an iframe, and search engines treat iframe content as belonging to the source domain, not to your page. That means the calculator does not pour its keywords into your page's ranking, the same way embedding a YouTube video does not make your page rank for the video's transcript. The text the crawler associates with your Notion page is the text you write around the embed, not the contents of the tool.
The practical takeaway is to give the tool a written introduction. Above the embed block, add a short paragraph in plain Notion text that states what the calculator does, who it is for, and the headline number or method it computes. That paragraph is what gets indexed, what a search snippet can pull from, and what an AI assistant can quote when it summarizes the page. The tool earns the engagement; the surrounding prose earns the ranking. Skipping the intro and dropping a bare embed onto a blank page is the most common way Notion publishers leave traffic on the table.
There is a speed dimension too. Notion pages are not the lightest documents on the web, and stacking several heavy embeds high on a page can delay the moment a visitor can interact. Place the most important tool first, keep secondary embeds lower down the page, and let the reader scroll into them. On a Super or Potion build you also inherit their CDN caching, which softens this; on a raw notion.site page, restraint in how many embeds you load above the fold is the better lever.
Reusing One Tool Across Many Notion Pages
Notion encourages duplication: people copy a page, fork a template, and spin up variant landing pages for different audiences. Because a CalcStack embed is defined by a single URL, the same tool can appear on every one of those pages without any per-page maintenance. Update nothing in Notion when you tweak the calculator; the change happens on the CalcStack side and propagates everywhere the embed URL is used. That decoupling is what lets a creator run ten audience-specific Notion pages off one underlying estimator and still know exactly which page each lead came from, because the submission records its source.
It also plays nicely with how Notion organizes content. If you keep a database of resources or a wiki of offers, you can embed the relevant tool on each entry's page so the interactive element travels with the content it belongs to. The reader who lands on your pricing wiki page meets the pricing calculator; the reader who lands on your audit guide meets the scorecard. Matching the tool to the page's intent, rather than bolting one generic widget onto the homepage, is the difference between a tool people skip and a tool people complete.
One more workflow benefit follows from the single-URL model: you can test without breaking anything. Swap the embed URL on one variant page to point at a different tool, watch which converts better, and roll the winner out by updating the other pages to the same link. Nothing is hard-coded into the Notion document, so experimenting carries no cleanup cost. For a creator iterating on an offer, that means the page can keep improving long after it is published, which is exactly the loop a static contact form never gives you.
Tools for Notion Pages and Sites
ROI Calculator
Drop into a product wiki or public pitch page so readers quantify value.
Pricing Calculator
Let visitors configure a price inside a Notion docs page.
Assessment / Scorecard
Score a reader and capture them from a public Notion resource.
Savings Calculator
Show the dollar value of your offer on a Notion landing page.
Break-Even Calculator
A natural fit for creator and consultant Notion sites.
Profit Margin Calculator
Useful inside an operations or finance Notion workspace page.
Turn Your Notion Visitors Into Qualified Leads
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