Transparent formulas for global and country-specific calculators.90 global calculators33 country hubs157 practical guides
Ezivo Calculator

Home / Countries / United Kingdom

Country calculator hub

🇬🇧 UK calculators

Practical tools for salary after tax, Income Tax, employee National Insurance, standard-rate VAT and hourly earnings.

Tax year: 2026/27 HMRC sources linked

Plan before you calculate

How to use United Kingdom calculators together

Start with the tool that answers your immediate question, then keep tax, employee deductions, employer costs and borrowing assumptions separate. Combining unrelated figures can make an otherwise correct calculation misleading.

UK Salary Calculator

Best for: Estimate 2026/27 take-home pay after Income Tax and employee National Insurance.

Open calculator →

UK Income Tax Calculator

Best for: Calculate non-Scottish Income Tax including the Personal Allowance taper.

Open calculator →

National Insurance Calculator

Best for: Estimate standard employee Class 1 NI at the 8% and 2% rates.

Open calculator →

Choose a calculation path

Match the United Kingdom tool to the decision

A useful sequence is to establish the main tax or contribution first, calculate take-home cash or invoice totals second, and model borrowing only after recurring income and deductions are understood. Do not add employer costs to employee cash, deduct annual tax twice or treat a lender illustration as an approved offer.

  1. 1. UK Salary Calculator

    Use this when you need to estimate 2026/27 take-home pay after Income Tax and employee National Insurance. Check the calculator's period and exclusions before carrying its result into another estimate.

  2. 2. UK Income Tax Calculator

    Use this when you need to calculate non-Scottish Income Tax including the Personal Allowance taper. Check the calculator's period and exclusions before carrying its result into another estimate.

  3. 3. National Insurance Calculator

    Use this when you need to estimate standard employee Class 1 NI at the 8% and 2% rates. Check the calculator's period and exclusions before carrying its result into another estimate.

  4. 4. UK VAT Calculator

    Use this when you need to add 20% VAT or extract the one-sixth VAT component from a gross total. Check the calculator's period and exclusions before carrying its result into another estimate.

  5. 5. UK Hourly Pay Calculator

    Use this when you need to convert hourly wages to weekly, monthly and annual gross earnings. Check the calculator's period and exclusions before carrying its result into another estimate.

Country-specific versus global formulas

Use these United Kingdom pages where rates, thresholds, payroll rules or statutory definitions matter. Use a global calculator for universal mathematics such as percentages, dates or amortisation only when you control the assumptions yourself. A global formula does not automatically include United Kingdom law.

Keep a reproducible record

Record the calculator URL, applicable period, inputs, selected options and result date. Save the payslip, invoice, authority notice or quotation used for those inputs. This makes later comparison easier and shows exactly what must be updated when a rate, threshold or personal circumstance changes.