CalculateLocal rules
Calculations reflect guidance from HMRC and GOV.UK and responsible bodies.
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Calculators for United Kingdom
10 most popular calculators in United Kingdom
UK Income Tax & National Insurance
UK Income Tax & National Insurance (PAYE) Calculator built around United Kingdom rules, rates, and GBP amounts.
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UK Mortgage Affordability
UK Mortgage Affordability Calculator built around United Kingdom rules, rates, and GBP amounts.
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UK Stamp Duty Land Tax
UK Stamp Duty Land Tax (SDLT) Calculator built around United Kingdom rules, rates, and GBP amounts.
View calculator ›Net Salary
Net Salary Calculator (Student Loan Plans 1–5) built around United Kingdom rules, rates, and GBP amounts.
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Stocks & Shares ISA / Cash ISA Compound Interest
Stocks & Shares ISA / Cash ISA Compound Interest Calculator built around United Kingdom rules, rates, and GBP amounts.
View calculator ›Pension Tax Relief & Contribution
Pension Tax Relief & Contribution Calculator built around United Kingdom rules, rates, and GBP amounts.
View calculator ›Buy-to-Let Rental Yield
Buy-to-Let Rental Yield Calculator built around United Kingdom rules, rates, and GBP amounts.
View calculator ›Car Finance
Car Finance (PCP / HP) Calculator built around United Kingdom rules, rates, and GBP amounts.
View calculator ›Student Loan Repayment Threshold
Student Loan Repayment Threshold Calculator built around United Kingdom rules, rates, and GBP amounts.
View calculator ›UK VAT
UK VAT Calculator (20%, 5%, 0%) built around United Kingdom rules, rates, and GBP amounts.
View calculator ›CALCULATORS FOR EVERY DECISION
20localizedExplore all calculators for United Kingdom
Choose a topic below to find tools built for GBP, local rules, and familiar number formats.
calculators
Tax & Salary
Income tax, deductions and take-home pay
Loans & Mortgages
Home, personal and vehicle financing
Savings & Investment
Interest, retirement and investment returns
Property
Property taxes, fees and affordability
Health & Fitness
BMI, calories and physical wellbeing
Work & Career
Pay, leave and employment planning
Family & Life
Family benefits and life planning
Built for United Kingdom rules and formats
GBP and local formatting
Results use the en-GB locale and local number conventions.
Regional accuracy
Regional selectors support tax, property and benefit differences.
Current-year ready
We review thresholds, rates and guidance as changes are published.
Sources & trust
Our calculators use official guidance and transparent assumptions.
- HMRC and GOV.UK
- National statistics and monetary authorities
- Regional government portals where applicable
Important
Results are estimates and are not a substitute for professional financial, tax, legal or medical advice.
ⓘ Check official guidance before making a decision.Frequently asked questions
Are these calculators specific to United Kingdom?
Yes. Currency, formatting and explanatory content are tailored to United Kingdom.
Which financial year do the calculators use?
Each calculator identifies its applicable period, update date and assumptions.
How are numbers displayed?
Amounts use GBP and the en-GB number format.
How often are calculators updated?
We review them annually and whenever an official rule changes.