Tax Calculators

As a first step, ask your professional advisors for help estimating what you might owe. Then identify the tax planning strategies that best fit your personal circumstances.

Use our tax calculation modules to find out how much tax would be due

ToolWhat it does
Estimate your Income Tax for a previous tax yearUse this service to estimate how much Income Tax you should have paid for a previous tax year
Estimate your Income Tax for the current yearEstimate how much Income Tax and National Insurance you should pay for the current tax year


ToolWhat it does
Check what your tax code meansFind out what the numbers and letters in your tax code mean and how much tax you will pay
Calculate your leave and pay when you have a childFind out if you can get maternity, paternity or shared parental leave — for employees
PAYE tax calculatorCheck your payroll calculations
National Insurance payroll calculatorCheck your National Insurance payroll calculations
Basic PAYE toolsTools to help you run your payroll
PAYE CHAPSRequest form for PAYE CHAPS transfer
Company car calculatorCalculate the company car tax charge based on a car’s taxable value and CO2 rating
Statutory Sick Pay calculatorWork out your employee’s Statutory Sick Pay
Maternity and paternity calculatorWork out your employee’s maternity or paternity pay and leave
PAYE Desktop ViewerView your employee tax codes and notices
Stop PAYE payment booklet formStop receiving a PAYE payment booklet
Order P45s and P60sGet P45s and P60s for your employees if you cannot produce these using your payroll software
PAYE/National Insurance contributions current year reference checkerCheck your PAYE, National Insurance contributions reference for the current year
PAYE/National Insurance contributions previous year reference checkerCheck your PAYE, National Insurance contributions reference for the previous year
Class 1A National Insurance contributions reference checkerCheck your Class 1A National Insurance contributions reference

Self employed

ToolWhat it does
Self-employed ready reckonerBudget for your first Self Assessment tax bill if you’re self-employed

National Insurance

ToolWhat it does
Claim a National Insurance refundApply for a refund on your National Insurance contributions
Director’s National Insurance contributions calculatorCheck a company director’s National Insurance contributions
National Insurance contributions calculatorCalculate your employee’s National Insurance contributions
National Insurance if you work abroadCheck if you have to pay National Insurance in the UK while you’re working abroad

Tax credits

ToolWhat it does
Get a tax credits claim formFind out if you qualify for tax credits
Tax credits calculatorEstimate of how much in tax credits you could get in total
Tax credits: working out your childcare costs toolCalculate your childcare costs for claiming tax credits

Capital Gains Tax

ToolWhat it does
Non-resident Capital Gains TaxCalculate your non-resident Capital Gains Tax
Capital Gains Tax shares calculatorCalculate your Capital Gains Tax on the sale of shares
Capital Gains Tax property calculatorCalculate your Capital Gains Tax on the sale of property

Corporation Tax

ToolWhat it does
No Corporation Tax dueTell HMRC you have no Corporation Tax due
Corporation Tax via CHAPS (Cumbernauld)Request to pay Corporation Tax by CHAPS to HMRC Cumbernauld
Corporation Tax via CHAPS (Shipley)Request to pay Corporation Tax by CHAPS to HMRC Shipley

Inheritance Tax

ToolWhat it does
Inheritance Tax checkerGet an approximate value of an estate and decide if any Inheritance Tax is likely to be due
Inheritance Tax interest calculatorCalculate how much interest is due on a payment of Inheritance Tax
Inheritance Tax residence nil rate band (RNRB) calculatorCalculate the RNRB if a home is left to direct descendants
Inheritance Tax reduced rate calculatorCheck if you qualify to pay a reduced rate of Inheritance Tax
Inheritance Tax: grossing up calculatorsWork out an estate value when legacies in a will are free of tax and other assets are tax exempt
Inheritance Tax: guaranteed annuity calculatorWork out an estimated market value of guaranteed annuity payments when valuing assets of the deceased’s estate
Inheritance Tax: quarters calculator for trustsWork out the number of quarters (3-month periods) when Inheritance Tax is charged on a trust for certain chargeable events