TaxWidget – Embed UK Tax Calculators

Get a live UK Tax Calculator
on your Website in 10 minutes

Turn your financial website into a lead magnet with interactive tools that boost SEO and capture real intent.

  • ✔ Ready-to-embed widgets
  • ✔ Automatic HMRC tax updates
  • ✔ Fast and mobile friendly
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Go live in 3 simple steps

No dev work, no complexity — just copy, paste, and go live.

1
Choose your calculator

Pick from our range of UK tax calculators below.

2
Get your embed code

Click “Buy Licence” and receive your code instantly.

3
Paste into your website

Drop the code into your site and go live.

Self Employed Calculator

LIVE DEMO

Buy Licence
£29/mo

Answer the questions your clients are already asking — like how much to contribute to a pension to avoid the 60% tax trap, how savings and starting rate allowances work, and how dividend tax changes (including the extra 2%) impact take-home income.

Show exactly how income flows through each tax band, making complex tax simple — while turning your website into a powerful lead magnet when combined with a strong call to action like “Need help with your tax? Get in touch.”

Try it on your website

Copy the test embed code below to preview how the calculator looks on your site before purchasing. This demo version does not connect to the full API — it’s for layout and fit testing only.

🎨 Customise calculators

Once you have the embed code you can make small tweaks to change the colour or size of the widget to match your company theme.
Below is just a few options to try out to see how the calculator may look.

Colours:
Size:

Payroll Calculator

LIVE DEMO

Buy Licence
£29/mo

Answer the everyday payroll questions your clients actually ask — from how tax code changes impact take-home pay, to the real effect of pension contributions, salary sacrifice, student loans and employer deductions.

Break down payslips clearly and show exactly where money is going, helping clients understand their net income — while turning your website into a powerful lead generator when paired with a strong call to action like “Need help with your payroll or tax? Get in touch.”

Try it on your website

Copy the test embed code below to preview how the calculator looks on your site before purchasing. This demo version does not connect to the full API — it’s for layout and fit testing only.

Warning: The information and calculations provided by this tool are for general guidance only and do not constitute financial, tax, or legal advice. No warranty is given as to the accuracy, completeness, or suitability of the results. Use of this calculator is entirely at your own risk. We shall not be held liable for any direct or indirect loss, damage, or decisions made based on the information provided. You should seek independent professional advice tailored to your individual circumstances before making any financial decisions.