Is this calculator free to use?

Yes, all our calculators are completely free with no registration required.

How accurate is this calculator?

Our calculators use the latest UK rates and formulas to provide accurate results.

Can I use this on mobile?

Yes, all our calculators are mobile-friendly and work on any device.

UK Calculator - 100+ Working Calculators

Last updated: February 2026

100+ Working UK Calculators

Browse by Hub:

Tax Hub Finance Hub Business Hub Property Hub Health Hub Education Hub

VAT Calculator

Amount (£)

VAT Rate

Calculate

Income Tax Calculator 2025/26

Annual Income (£)

Tax Code

Mortgage Calculator

Property Price (£)

Deposit (£)

Interest Rate (%)

Mortgage Term (years)

Stamp Duty Calculator

Property Price (£)

Buyer Type

Country

Salary Calculator

Gross Salary (£)

Salary Frequency

Pension Contribution (%)

Student Loan

Loan Calculator

Loan Amount (£)

APR (%)

Loan Term (months)

Pension Calculator

Current Age

Retirement Age

Current Pension Pot (£)

Monthly Contribution (£)

Employer Contribution (£)

Expected Annual Growth (%)

BMI Calculator

Unit System

Weight

Height

Investment Calculator

Initial Investment (£)

Monthly Contribution (£)

Expected Annual Return (%)

Investment Period (years)

Compound Frequency

Compound Interest Calculator

Principal Amount (£)

Interest Rate (%)

Time Period (years)

Compound Frequency (per year)

% Percentage Calculator

Calculation Type

Value 1

Value 2

Savings Calculator

Initial Savings (£)

Monthly Savings (£)

Interest Rate (%)

Savings Period (years)

Tax Rate on Interest (%)

Capital Gains Tax Calculator

Purchase Price (£)

Sale Price (£)

Costs (fees, improvements) (£)

Tax Band

Dividend Tax Calculator

Dividend Income (£)

Other Income (salary etc.) (£)

National Insurance Calculator

Annual Income (£)

NI Category

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Regional UK Calculators

Location-specific calculators for major UK cities:

Belfast Calculator Birmingham Calculator Bristol Calculator Cardiff Calculator Edinburgh Calculator Glasgow Calculator Leeds Calculator Liverpool Calculator London Calculator Manchester Calculator

HMRC Compliant

Secure & Private

190+ Calculators

Always Free

Expert Reviewed — This calculator is reviewed by our team of financial experts and updated regularly with the latest UK tax rates and regulations. Last verified: February 2026.

Last updated: February 2026 | Verified with latest UK rates

UK Calculator Editorial Team

Our calculators are maintained by qualified accountants and financial analysts. All tools use official HMRC, ONS, and NHS data. Learn more about our team.

Your Complete Guide to UK Calculator's 100+ Free Tools

UK Calculator provides the most comprehensive collection of free online calculators designed specifically for UK residents. With over 100 tools covering tax, finance, property, business, health, education, maths, lifestyle, and travel, our site ensures you can find an accurate, up-to-date calculator for virtually any calculation you need. Every tool on this page is fully functional, tested, and maintained by our editorial team of ACCA-qualified accountants, financial analysts, and subject matter experts.

Our calculators are organised into distinct categories, each serving a specific purpose. The Tax category includes income tax, National Insurance, VAT, Capital Gains Tax, Inheritance Tax, stamp duty, dividend tax, and Corporation Tax calculators -- all using verified HMRC rates for the 2025/26 tax year (6 April 2025 to 5 April 2026). The Finance category covers savings, compound interest, loans, mortgages, pensions, investments, and inflation calculators using Bank of England data and ONS statistics. The Property category brings together stamp duty, mortgage repayment, rental yield, buy-to-let, and affordability tools essential for homebuyers, landlords, and investors.

The Business category provides tools for sole traders, freelancers, and limited companies including VAT, Corporation Tax, employer NI (updated to the 2025/26 rate of 15%), payroll, margins, and business rates calculators. The Health category follows NHS guidelines with BMI, calorie, body fat, pregnancy, BMR, and macro calculators. The Education category supports students with UCAS points converters, student loan repayment estimators, grade calculators, and budget planning tools. Additional categories cover Maths (percentage, fraction, ratio, area, and volume calculators), Lifestyle (age, date, time, and cost calculators), Travel (currency conversion, fuel cost, and distance tools), and UK-Specific tools like council tax and cost of living calculators.

What sets UK Calculator apart from generic calculation websites is our commitment to UK-specific accuracy. Our tax calculators do not use generic formulas -- they incorporate the exact HMRC thresholds, band structures, and relief calculations that apply to UK taxpayers. Our health tools use NHS guidelines rather than generic global standards.

Our property calculators cover the distinct tax regimes of England, Scotland, Wales, and Northern Ireland. This attention to UK-specific detail ensures that the results you receive are directly applicable to your real-world situation, not an approximation based on another country's rules.

How to Find the Right Calculator

With over 100 calculators available, finding the right tool quickly is important. Here are several ways to navigate to the calculator you need:

Browse by category: Use the category navigation in the header menu to filter calculators by topic. Each category page groups related tools together with descriptions, making it easy to find the right one. The six hub pages (Tax, Finance, Property, Business, Health, Education) provide comprehensive starting points with educational content, rate tables, and FAQs alongside calculator links.

Use the quick calculators above: The inline calculators on this page let you perform the most common calculations immediately without navigating to a separate page. Enter your figures, click calculate, and see results instantly. For more detailed breakdowns and additional features, follow the link to the dedicated calculator page.

Most popular tools: Our most-used calculators are the Income Tax Calculator, Salary Calculator, Mortgage Calculator, BMI Calculator, VAT Calculator, and Stamp Duty Calculator. If you need a quick calculation for any of these common tasks, these dedicated pages provide the most detailed results with full breakdowns.

City-specific tools: If you need calculations tailored to your local area, visit our City Calculator hubs covering London, Manchester, Birmingham, Edinburgh, Glasgow, Belfast, Cardiff, Bristol, Leeds, and Liverpool. These apply local council tax rates, property data, and regional cost of living figures to give you the most accurate local results.

All Calculators: Frequently Asked Questions

Are all 100+ calculators completely free to use?

Yes, every calculator on UK Calculator is completely free with no hidden costs, subscription fees, or registration requirements. We do not lock features behind paywalls or require email sign-ups to see results. All calculations are performed instantly in your browser with no limitations on usage. Our revenue comes from non-intrusive advertising, which allows us to maintain and update all tools at no cost to users. You can use any calculator as many times as you need, compare multiple scenarios, and share results -- all without spending a penny.

How do I know the calculators use the correct 2025/26 rates?

Our calculators are maintained by ACCA-qualified accountants and financial professionals who monitor HMRC announcements, Budget statements, and regulatory changes throughout the year. Each calculator page displays a "last updated" date and identifies which tax year rates are being used. Tax calculators are updated within 48 hours of any official rate change -- typically at the start of each tax year (April) or following interim announcements. We cross-reference our calculations against HMRC's own examples and guidance notes to verify accuracy. The 2025/26 rates were applied on 6 April 2025 across all tax-related calculators, including the Personal Allowance (£12,570), basic rate band (up to £50,270), higher rate threshold (£125,140), employee NI rate (8%/2%), and employer NI rate (15% above £5,000).

Can I use these calculators on my phone or tablet?

Absolutely. All UK Calculator tools are fully responsive and designed to work seamlessly on smartphones, tablets, and desktop computers. The interface automatically adjusts to your screen size, with input fields, buttons, and results all optimised for touch interaction on mobile devices. No app download is required -- simply visit the website in any modern browser (Chrome, Safari, Firefox, Edge) and the calculators work immediately. You can bookmark your most-used calculators for quick access from your home screen. The calculators load quickly even on slower mobile connections, as all calculations are performed client-side in your browser without requiring server requests.

What should I do if a calculator gives unexpected results?

If you receive results that seem incorrect, first check your input values for typos or incorrect units (for example, entering a monthly salary in an annual salary field). Verify that you have selected the correct options -- tax calculators may give different results based on Scottish vs. UK rates, and stamp duty varies by buyer type and country. If you believe there is a calculation error, please contact us through our contact page with the calculator name, your input values, the result received, and the result you expected. Our team investigates all reported issues promptly. Remember that calculators provide estimates for guidance -- slight differences from official calculations may occur due to rounding methods, particularly for payroll calculations where HMRC uses specific weekly or monthly rounding rules.

Do you offer calculator tools for businesses to embed on their websites?

Currently, our calculators are available exclusively on ukcalculator.com and are not offered as embeddable widgets. However, you are welcome to link to any of our calculator pages from your website, blog, or social media. If you are a business, financial advisor, or content creator who would like to discuss partnership opportunities or custom calculator solutions, please reach out through our contact page. We are always interested in collaborating with organisations that share our mission of providing free, accurate financial tools to UK residents.

Explore Calculator Hubs and Categories

For focused collections of related tools with educational content, rate tables, and expert guidance, visit our dedicated calculator hubs and category pages.

Tax Hub Finance Hub Property Hub Business Hub Health Hub Education Hub City Calculators All Hubs Blog & Guides