Press & partners

Put a carbon calculator inside your own post

Writing about sustainable living, climate action or supply-chain emissions? Readers almost always want a number at that point. You can drop our calculator straight into the article — free, no attribution required, no tracking scripts injected into your page.

Free forever

No licence, no sign-up, no ads shown to your readers.

Transparent data

UK DEFRA 2025, SU-EATABLE LIFE, Poore & Nemecek, with per-country benchmarks.

One iframe

Responsive, lazy-loaded, works in WordPress, Ghost, Substack embeds and Webflow.

Copy this snippet

<iframe
  src="https://carboncalculator.tech/embed/calculator"
  title="Carbon footprint calculator"
  width="100%"
  height="720"
  loading="lazy"
  style="border:0;border-radius:16px"
></iframe>

Prefer a plain link? carboncalculator.tech/calculate works just as well in a resources list.

What you can say about us

Short description, free to reuse verbatim:

Carbon Calculator is a free web app for estimating your annual carbon footprint, tracking daily emissions, and producing ISO 14067-aligned product carbon footprints for business customers. Every emission factor is documented with its source database and year.

Also useful for your readers: methodology, product footprint tool, CBAM CN code directory.

Questions or a custom colour scheme?

Use the feedback button in the corner of any page — it reaches us directly, and we're happy to answer methodology questions or tune the embed to match your site.