Independent UK calculator directory
UK Calculators
Practical calculators for UK tax, salary, money, property, pensions, benefits, health, travel and everyday decisions—all organised in one clear place.
Find the calculator you need
Choose a category below, then open the tool that best matches your question. Important tax, benefit, medical, legal and financial results are estimates and should be checked against the relevant official guidance.
Calculator category
Tax & Salary
Tax, deductions and employment pay estimates.
United Kingdom Tax Calculator
Estimate united kingdom tax with a clear UK-focused tool.
United Kingdom Salary Calculator
Estimate united kingdom salary with a clear UK-focused tool.
United Kingdom Income Tax Calculator
Estimate united kingdom income tax with a clear UK-focused tool.
United Kingdom Salary Tax Calculator
Estimate united kingdom salary tax with a clear UK-focused tool.
United Kingdom Net Salary Calculator
Estimate united kingdom net salary with a clear UK-focused tool.
United Kingdom Tax Free Calculator
Estimate united kingdom tax free with a clear UK-focused tool.
United Kingdom Take Home Pay Calculator
Estimate united kingdom take home pay with a clear UK-focused tool.
United Kingdom Import Tax Calculator
Estimate united kingdom import tax with a clear UK-focused tool.
Umbrella Company Calculator UK
Tax, deductions and employment pay estimates.
Contractor Pay Calculator UK
Tax, deductions and employment pay estimates.
Loan Repayment Calculator UK
Tax, deductions and employment pay estimates.
Taxi Fare Calculator UK
Tax, deductions and employment pay estimates.
Debt Payoff Calculator
Estimate debt payoff with a clear UK-focused tool.
Marriage Allowance Calculator UK
Tax, deductions and employment pay estimates.
Self Employed Tax Calculator UK
Tax, deductions and employment pay estimates.
Student Loan Repayment Calculator UK
Tax, deductions and employment pay estimates.
Employer National Insurance Calculator UK
Tax, deductions and employment pay estimates.
R&D Tax Credit Calculator UK
Tax, deductions and employment pay estimates.
Dividend Tax Calculator UK
Tax, deductions and employment pay estimates.
Mortgage Overpayment Calculator UK
Tax, deductions and employment pay estimates.
Seafarers Earnings Deduction Calculator
Estimate seafarers earnings deduction with a clear UK-focused tool.
Teaching Assistant Salary Calculator UK
Estimate teaching assistant salary with a clear UK-focused tool.
Calculator category
Benefits & Family
Benefits, family costs and important life-event planning.
Pregnancy Due Date Calculator
Estimate pregnancy due date with a clear UK-focused tool.
Wedding Budget Calculator UK
Benefits, family costs and important life-event planning.
Funeral Cost Calculator UK
Benefits, family costs and important life-event planning.
Housing Benefit Calculator
Estimate housing benefit with a clear UK-focused tool.
Tax-Free Childcare Calculator UK
Estimate tax-free childcare with a clear UK-focused tool.
Universal Credit Calculator
Estimate universal credit with a clear UK-focused tool.
Calculator category
Pensions & Retirement
Pension, retirement-income and later-life planning estimates.
Annuity Calculator UK
Pension, retirement-income and later-life planning estimates.
Pension Transfer Value Calculator
Estimate pension transfer value with a clear UK-focused tool.
Retirement Calculator UK
Pension, retirement-income and later-life planning estimates.
Pension Drawdown Calculator UK
Pension, retirement-income and later-life planning estimates.
Pension Pot Calculator UK
Pension, retirement-income and later-life planning estimates.
State Pension Age Calculator UK
Estimate state pension age with a clear UK-focused tool.
Calculator category
Property & Mortgages
Property, mortgage and home-buying calculations.
United Kingdom Mortgage Calculator
Estimate united kingdom mortgage with a clear UK-focused tool.
Equity Release Calculator UK
Property, mortgage and home-buying calculations.
Stamp Duty Calculator UK
Property, mortgage and home-buying calculations.
House Value Calculator UK
Property, mortgage and home-buying calculations.
Home Insurance Calculator UK
Property, mortgage and home-buying calculations.
Remortgage Calculator UK
Property, mortgage and home-buying calculations.
Rental Yield Calculator UK
Property, mortgage and home-buying calculations.
Conveyancing Fees Calculator UK
Property, mortgage and home-buying calculations.
Loan to Value Calculator
Estimate loan to value with a clear UK-focused tool.
Buy-to-Let Mortgage Calculator
Estimate buy-to-let mortgage with a clear UK-focused tool.
Offset Mortgage Calculator
Estimate offset mortgage with a clear UK-focused tool.
Right to Buy Calculator
Estimate right to buy with a clear UK-focused tool.
Shared Ownership Calculator UK
Estimate shared ownership with a clear UK-focused tool.
Calculator category
Loans, Savings & Money
Borrowing, saving, budgeting and personal-finance calculations.
United Kingdom Inflation Calculator
Estimate united kingdom inflation with a clear UK-focused tool.
United Kingdom Currency Calculator
Estimate united kingdom currency with a clear UK-focused tool.
Savings Calculator UK
Borrowing, saving, budgeting and personal-finance calculations.
Car Finance Calculator UK
Borrowing, saving, budgeting and personal-finance calculations.
Budget Calculator UK
Borrowing, saving, budgeting and personal-finance calculations.
Interest Calculator
Estimate interest with a clear UK-focused tool.
ISA Calculator UK
Borrowing, saving, budgeting and personal-finance calculations.
Vehicle Loan Calculator UK
Borrowing, saving, budgeting and personal-finance calculations.
Home Energy Savings Calculator
Estimate home energy savings with a clear UK-focused tool.
Calculator category
Home, Energy & Construction
Home improvement, energy and construction estimates.
Building Materials Calculator
Estimate building materials with a clear UK-focused tool.
Home Materials Calculator
Estimate home materials with a clear UK-focused tool.
Carbon Footprint Calculator UK
Home improvement, energy and construction estimates.
Electricity Cost Calculator UK
Home improvement, energy and construction estimates.
Home Renovation Cost Calculator UK
Home improvement, energy and construction estimates.
Roofing Calculator
Estimate roofing with a clear UK-focused tool.
Boiler Cost Calculator UK
Home improvement, energy and construction estimates.
Heat Loss Calculator
Estimate heat loss with a clear UK-focused tool.
Solar Panel Calculator UK
Home improvement, energy and construction estimates.
U-Value Calculator
Estimate u-value with a clear UK-focused tool.
Air Conditioning Size Calculator
Estimate air conditioning size with a clear UK-focused tool.
Embodied Carbon Calculator
Estimate embodied carbon with a clear UK-focused tool.
Energy Price Cap Calculator UK
Home improvement, energy and construction estimates.
Radiator Size Calculator
Estimate radiator size with a clear UK-focused tool.
Calculator category
Cars & Travel
Vehicle, journey and transport-cost calculations.
Postage Calculator UK
Vehicle, journey and transport-cost calculations.
Car Lease Cost Calculator UK
Vehicle, journey and transport-cost calculations.
Fuel Cost Calculator UK
Vehicle, journey and transport-cost calculations.
MPG Calculator UK
Vehicle, journey and transport-cost calculations.
Car Running Cost Calculator UK
Vehicle, journey and transport-cost calculations.
Travel Distance Calculator
Estimate travel distance with a clear UK-focused tool.
Calculator category
Health & Fitness
Everyday health and fitness guidance calculations.
BMI Calculator
Estimate bmi with a clear UK-focused tool.
Sleep Calculator
Estimate sleep with a clear UK-focused tool.
Alcohol Units Calculator UK
Everyday health and fitness guidance calculations.
Body Fat Calculator
Estimate body fat with a clear UK-focused tool.
Caffeine Calculator
Estimate caffeine with a clear UK-focused tool.
One Rep Max Calculator
Estimate one rep max with a clear UK-focused tool.
Calculator category
Business & Education
Business planning and education-related calculations.
United Kingdom GPA Calculator
Estimate united kingdom gpa with a clear UK-focused tool.
Profit Margin Calculator
Estimate profit margin with a clear UK-focused tool.
Business Valuation Calculator
Estimate business valuation with a clear UK-focused tool.
ROI Calculator
Estimate roi with a clear UK-focused tool.
Break-Even Calculator
Estimate break-even with a clear UK-focused tool.
Business Rates Calculator UK
Business planning and education-related calculations.
School Fees Calculator UK
Business planning and education-related calculations.
Website Cost Calculator UK
Estimate website cost with a clear UK-focused tool.
Calculator category
Everyday Calculators
Useful everyday maths, date, time and conversion tools.
United Kingdom Time Calculator
Estimate united kingdom time with a clear UK-focused tool.
United Kingdom VAT Calculator
Estimate united kingdom vat with a clear UK-focused tool.
Percentage Calculator
Estimate percentage with a clear UK-focused tool.
Baking Calculator
Estimate baking with a clear UK-focused tool.
Date Calculator
Estimate date with a clear UK-focused tool.
Ratio Calculator
Estimate ratio with a clear UK-focused tool.
Volume Calculator
Estimate volume with a clear UK-focused tool.
Download Time Calculator
Estimate download time with a clear UK-focused tool.
Linear Interpolation Calculator
Estimate linear interpolation with a clear UK-focused tool.
Microwave Cooking Time Calculator
Estimate microwave cooking time with a clear UK-focused tool.
Probate Fees Calculator UK
Useful everyday maths, date, time and conversion tools.
How to use United Kingdom Calculator
1. Choose a calculator
Start with the category that matches your goal, then select the most relevant tool.
2. Enter your figures
Use the labels and units shown. Check whether the result depends on a UK tax year, nation or personal circumstance.
3. Review the estimate
Read the assumptions, breakdown and limitations before using a result for an important decision.
Frequently asked questions
Are the calculators free to use?
Yes. The calculators can be used without creating an account or paying a fee.
Are the results official?
No. Results are estimates based on the information entered and the method explained on each calculator page. Official assessments and provider quotations take priority.
Can I use the website on a mobile phone?
Yes. The directory and calculator pages are designed for desktop, tablet and mobile screens.
How do I choose the correct calculator?
Select the closest category and read each calculator name and description. If a calculation depends on a tax year, location or personal status, check those details on the calculator page.