Embed Our Salary Calculator on Your Website
Add a free, always-up-to-date UK salary calculator to your website in seconds. Customise the defaults, copy the embed code, and paste it into your HTML.
Customise your widget
Use "100%" for responsive or a pixel value like "400"
Height auto-adjusts in preview; set a fixed value for your embed
Embed code
<iframe src="https://ukcalc.co.uk/embed/salary?salary=35000®ion=england" width="100%" height="600" frameborder="0" title="UK Salary Calculator - UKCalc" style="border: 1px solid #e5e7eb; border-radius: 8px;"></iframe>Optional: auto-resize script
Add this script below the iframe to automatically adjust the height to fit the calculator content:
<script>
window.addEventListener("message", function(e) {
if (e.data && e.data.type === "ukcalc-resize") {
var iframe = document.querySelector('iframe[src*="ukcalc.co.uk"]');
if (iframe) iframe.style.height = e.data.height + "px";
}
});
</script>Preview
How to embed the calculator
- Customise — Set the default salary, region, and widget dimensions above.
- Copy — Click "Copy to clipboard" to grab the iframe code.
- Paste — Add the code to any HTML page, WordPress post, Notion page, or CMS.
Customisation options
| Parameter | Description | Default |
|---|---|---|
salary | Pre-filled annual salary in GBP | 35000 |
region | Tax region: england or scotland | england |
You can also pass these as URL parameters directly, e.g.
https://ukcalc.co.uk/embed/salary?salary=50000®ion=scotland
Auto-resize
The widget sends a postMessage with its content height
whenever the layout changes. Add the optional auto-resize script
(shown above) to let the iframe height adjust automatically, so there
are no scrollbars.
Use cases
- HR departments — Help employees understand their take-home pay during salary reviews.
- Recruitment agencies — Let candidates instantly see what a role is worth after tax.
- Finance blogs — Add an interactive tool alongside your salary negotiation or tax planning articles.
- Company careers pages — Show transparency by letting applicants calculate net pay for advertised salaries.
Terms of use
The embed widget is free to use on any website. Please keep the "Powered by UKCalc" attribution visible. The calculator is updated each April when HMRC publishes new tax rates for the upcoming tax year.