Free, no catches
Embed Our UK Tax Calculators
Drop any calculator on this site straight into your own page or blog post. Each one stays lined up with the latest published UK tax rates, resizes to fit the space it's given, and costs nothing to use.
Set up in minutes Built on published UK tax rates Fits any screen size
Pick a calculator to embed
Every tool below can go on your page with one line of code — preview it first, or copy the snippet straight away.
Popular
Salary Calculator
- Gross to net pay breakdown
- Pension and student loan support
- Free to embed, no sign-up
Popular
Income Tax Calculator
- Tax band-by-band breakdown
- England, Wales, NI and Scotland
- Free to embed, no sign-up
Popular
National Insurance Calculator
- Employee Class 1 NI
- Monthly and yearly totals
- Free to embed, no sign-up
Popular
After Tax
- Net pay from a gross figure
- Shows the % of pay you keep
- Free to embed, no sign-up
Gross Salary Calculator
- Works backwards from take-home pay
- Finds the salary you'd need
- Free to embed, no sign-up
Tax Code Checker
- Decodes any UK tax code
- Shows your tax-free allowance
- Free to embed, no sign-up
Pro Rata Calculator
- Part-time salary from full-time
- Yearly, monthly and weekly figures
- Free to embed, no sign-up
Marriage Allowance Calculator
- Checks eligibility in seconds
- Shows the possible saving
- Free to embed, no sign-up
Overtime Pay Calculator
- Any overtime multiplier
- Gross and estimated take-home
- Free to embed, no sign-up
Pension Tax Relief Calculator
- Relief-at-source contributions
- Extra higher-rate relief to claim
- Free to embed, no sign-up
Capital Gains Tax Calculator
- 18% and 24% CGT bands
- Annual exempt amount applied
- Free to embed, no sign-up
Vehicle Tax Calculator
- First-year and standard VED
- Petrol, diesel and electric
- Free to embed, no sign-up
Inheritance Tax Calculator
- Nil-rate and residence bands
- Estimated 40% IHT charge
- Free to embed, no sign-up
Hourly to Yearly Salary
- Hourly rate to annual salary
- Weekly and monthly figures too
- Free to embed, no sign-up
Salary to Hourly
- Annual salary to hourly rate
- Handy for contract comparisons
- Free to embed, no sign-up
Daily Rate to Annual Salary
- Contractor day-rate converter
- Annual, monthly and weekly views
- Free to embed, no sign-up
Savings Interest Calculator
- Compound interest projection
- Lump sum plus monthly deposits
- Free to embed, no sign-up
Loan Repayment Calculator
- Estimated monthly repayment
- Total interest over the term
- Free to embed, no sign-up
Stamp Duty Calculator
- England and NI SDLT bands
- First-time buyer relief included
- Free to embed, no sign-up
How embedding works
Three short steps and it's live on your page.
1
Pick a calculator
Choose the tool that fits your site from the list below.
2
Copy the snippet
One click copies a ready-to-use HTML snippet to your clipboard.
3
Paste it in
Drop it into your page. The calculator loads instantly — nothing else to set up.
Ready to add a calculator?
Copy a snippet above and paste it into your site. There's nothing to install and nothing to configure.
Or email us directly at support@toolvan.site