Your comprehensive guide to over 200 free UK calculators. From tax and mortgage calculations to health metrics and education tools, find the right calculator for any task. All tools are updated for 2025/26 with the latest HMRC rates, university tariffs, and UK-specific formulas.
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Essential calculators for UK tax, salary, pensions, and personal finance. All tax calculators updated with 2025/26 HMRC rates including the frozen £12,570 personal allowance and current NI thresholds.
The UK uses a progressive tax system where different portions of your income are taxed at different rates. For the 2025/26 tax year (6 April 2025 to 5 April 2026), the key rates are:
Our tax calculators automatically apply these bands and calculate your total tax liability, effective tax rate, and take-home pay.
Tools for UK business owners, self-employed professionals, and entrepreneurs. Calculate profit margins, break-even points, VAT returns, and Corporation Tax with marginal relief.
Track your health metrics with NHS-aligned calculators. Calculate BMI, calorie needs, macro splits, and fitness targets using formulas recommended by UK health guidelines.
The NHS uses Body Mass Index (BMI) as a screening tool for weight categories:
BMI = weight (kg) / height (m)². Our calculator provides your BMI and NHS category, plus recommendations for healthy weight ranges.
Essential tools for students, parents, and teachers. Calculate UCAS points for university applications, convert GCSE grades, estimate student loans, and plan education finances.
A-Level to UCAS tariff points for 2025 entry:
Most competitive universities require 112-144+ UCAS points (typically AAB to A*AA). Use our UCAS calculator to check if you meet entry requirements.
Convert between metric and imperial units commonly used in the UK. Whether you need miles to kilometres for driving, stones to kilograms for weight, or Celsius to Fahrenheit for cooking, we've got you covered.
General-purpose calculators for everyday tasks. From percentage calculations for shopping discounts to date calculators for planning events, these tools handle common mathematical needs.
Tools for UK homeowners, buyers, and renters. Calculate stamp duty, mortgage affordability, rental yields, and home improvement costs.
UK Calculator offers over 200 free calculators covering tax and finance (income tax, VAT, NI, mortgage, pension), health and fitness (BMI, calories, macros), education (UCAS points, GCSE grades, student finance), business (profit/loss, break-even, ROI), and everyday tools (percentage, date calculators, unit converters). All tools are specifically designed for UK users with UK-specific rates and formulas.
Yes, all calculators are updated for the 2025/26 tax year using official HMRC rates and thresholds. Our tax calculators reflect the current £12,570 personal allowance, 20%/40%/45% income tax bands, and 8%/2% NI rates. Education calculators use current UCAS tariff points. We update within 48 hours of any official rate changes.
No registration required. All 200+ calculators are completely free to use with no sign-up, no email required, and no limits on usage. Your calculations are processed instantly in your browser - we don't store any of your personal financial data.
Yes, all calculators are fully responsive and work on any device - mobile phones, tablets, and desktop computers. The interface automatically adapts to your screen size for optimal usability. No app download needed - just visit the website in any browser.
Use our Take Home Pay Calculator or Salary Calculator. Enter your gross salary and it will calculate your net pay after income tax, National Insurance, student loan repayments (Plans 1, 2, 4, or 5), and pension contributions for 2025/26. Both tools show a detailed breakdown of all deductions.
Use our UCAS Points Calculator. A-Level grades convert as follows: A* = 56 points, A = 48, B = 40, C = 32, D = 24, E = 16. Enter your grades and the calculator totals your UCAS tariff points for university applications. It also handles BTEC, Scottish Highers, and other qualifications.
Find the right calculator for your needs:
Expert Reviewed — All calculators are reviewed by our team of qualified professionals and updated regularly with the latest UK rates and regulations. Tax calculators verified with HMRC 2025/26 rates.
Last updated: January 2026 | 200+ calculators available