There is nothing to buy on this page.
Twelve embeddable widgets — six reference tables that keep themselves current and six interactive calculators — are free for editorial use on any site, including commercial and ad-supported publications. No signup, no API key, no per-domain licence, no limit on how many pages or how many domains you put them on.
What is asked in return
- Keep the attribution line. Each snippet is a plain
<iframe>plus one<p>crediting the QuantCalc page the figures come from. Keep that line visible. It is a clean link with nothing appended to it — a citation, not a campaign tag — so a reader who wants to check a number can follow it to the table it came from. - Embed the widget as served. Do not modify its output, restyle its contents, overlay it, or present its figures as another party's work. The reference tables carry their own status label inside the iframe; a projected table travelling without the word PROJECTED is the one outcome this rule exists to prevent.
- Editorial contexts only. Not on sites promoting gambling or multi-level marketing, and not in any context designed to mislead readers about what the figures mean.
That is the whole licence. The full wording lives with the widgets at /embed/#terms.
Why free, and why the credit line stays
The widgets exist so that a reference table on someone else's page can point back at the page that maintains it. That link is the entire return on the programme: it is how a reader who wants the method, the source citation or the full calculator finds their way to it, and it is why the table on your page keeps updating when the underlying figures move instead of ageing like a pasted screenshot.
The same link is baked into every widget's own footer as well as into the snippet, so the credit survives an edited snippet. Removing it is the one thing the licence does not allow — not because it is withheld behind something, but because a figure with no traceable source is worth less to your reader than one they can follow.
Where they work
Questions
Is there a paid tier?
No. There was a per-domain tier that removed the attribution footer; it was retired on 2026-09-10 and is not coming back in that shape. The footer is the return on the programme, so selling its removal was selling the return away.
Can I restyle the widget to match my site?
The widgets ship as served, which is what keeps every figure traceable to the source page it was generated from. If a widget genuinely does not sit right in your template, write to [email protected] and describe the problem — sizing guidance for narrow columns is on the widget page, and that solves most of it.
Are my readers' inputs sent to QuantCalc?
Only for the Monte Carlo widget, and only the numbers needed to run the simulation — age, balance, spending. No name, no email, no identifier. The six reference tables are static HTML with no scripts at all, and the other five calculators run entirely in the reader's browser. No analytics script, cookie or ad pixel loads inside any embed. See our privacy policy.
What happens when the underlying figures change?
The reference tables are generated from our canonical source for each figure, so when the law moves the widget moves with it and your post updates without you touching it. Projected tables carry a PROJECTED banner inside the iframe until the agency publishes, at which point the banner and the numbers change together.
Can I use the figures without the iframe?
Yes. Several of the tables also publish as JSON and CSV from the dataset index, under the same attribution terms.
I need a table you do not have yet.
Tell us which one. The reference widgets are cheap for us to add when a publisher actually wants one.
Pick a widget and copy the snippet
Live previews, suggested sizes and platform notes are all on one page.
Go to the widgets →