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    Embed the Dog Age Calculator on Your Site

    A free, mobile-friendly widget that turns your dog's age into human-equivalent years — drop it into any blog post, sidebar, or vet practice page in 30 seconds.

    30-second install
    Paste one line of code. Works in WordPress, Squarespace, Webflow, Ghost, plain HTML — anywhere.
    Mobile-friendly
    Auto-resizes to fit your layout. Looks right on phone, tablet, and desktop.
    Matches your brand
    Pick a custom accent color in our configurator and copy the customized snippet.

    See it in action

    This is exactly what your readers will see — try it out:

    Copy your embed code

    Auto-resizes to fit content. Best for blog posts and articles.

    <div data-thc-calc="dog-age"></div>
<script src="https://thehandycalculators.com/embed.js" async></script>
    Want to set defaults (breed size, starting age) or change the accent color? Open the widget configurator →

    How to install on popular platforms

    WordPress (block editor)▾
    1. Open the post or page you want to add the calculator to.
    2. Click the + button to add a new block and choose Custom HTML.
    3. Paste the snippet above into the block.
    4. Preview or publish — that's it.
    WordPress (classic editor)▾
    1. Switch from Visual to Text/HTML mode.
    2. Paste the snippet at the spot you want the calculator to appear.
    3. Switch back to Visual and update the post.
    Squarespace▾
    1. Edit the page and add a Code block where you want the widget.
    2. Paste the snippet. Make sure HTML is selected (not Markdown).
    3. Save.
    Webflow▾
    1. Drag an Embed element onto the page.
    2. Paste the snippet inside it and click Save & Close.
    3. Publish.
    Ghost▾
    1. In the editor, type / and choose HTML.
    2. Paste the snippet and continue writing.
    Plain HTML / static site▾
    1. Paste the snippet anywhere in your page's <body>.
    2. The script tag can go once per page; the <div> can be reused if you ever embed multiple of our widgets.

    Common questions

    Is it really free? What's the catch?▾
    It's free, with no signup, no rate limits, and no tracking on your visitors. The only ask is that the small "Powered by TheHandyCalculators.com" link stays in the widget — it's how we earn the right to keep the tool free. You can hide it with data-branding="false" if you embed via our configurator's customized snippet.
    Does it slow down my page?▾
    No. The script is loaded async and the iframe is lazy-loaded — it doesn't block anything and only renders when scrolled into view. Total weight added to your page is under 1 KB.
    Will it work on mobile?▾
    Yes. The widget is fully responsive and fills the width of its container. The script tag version auto-resizes the height as the user interacts with the calculator.
    Can I customize the colors to match my site?▾
    Yes — open the widget configurator
    What data do you collect from my visitors?▾
    Nothing. The widget runs entirely client-side and doesn't set cookies, fingerprint visitors, or send their inputs anywhere.
    Can I use it commercially?▾
    Yes. Embed it on a personal blog, a vet practice site, a breed club page, or a commercial pet-product site — all fine.

    Have a calculator we should build next?

    We're slowly making every popular calculator on the site embeddable. Tell us which one your readers would use most.

    Suggest a widget

    If you write about dogs — breed guides, training, senior care, vet content — your readers want to know how old their dog really is. Give them the answer right on your page instead of sending them somewhere else.

    By Larius — software engineer, NC real estate broker & CRE/business appraiserReviewed by the Handy Calculators editorial teamHow we build calculators

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