HMRC tools and calculators
Find and use tools and calculators that will help you work out your tax.
Alcohol Duty
| Tool | What it does |
|---|---|
| Work out your Small Producer Relief | Check if you’re eligible for Small Producer Relief on Alcohol Duty and how much relief you can get |
Capital Allowances
| Tool | What it does |
|---|---|
| Check if you can claim the super-deduction | Find out if you can claim super-deduction or special rate first year allowances, if you’re a company |
| Work out the balancing charge when you dispose of assets | Work out the balancing charge when you dispose of or sell plant or machinery after claiming the super-deduction or 50% special rate allowance |
| Check if you can claim full expensing or 50% first year allowances | If you’re a company, find out if you can claim full expensing or the 50% first year allowance on plant or machinery costs |
Capital Gains Tax
| Tool | What it does |
|---|---|
| Non-resident Capital Gains Tax | Calculate your non-resident Capital Gains Tax |
| Capital Gains Tax shares calculator | Calculate your Capital Gains Tax on the sale of shares |
| Capital Gains Tax property calculator | Calculate your Capital Gains Tax on the sale of property |
Certificates of tax deposit
| Tool | What it does |
|---|---|
| Certificate of Tax Deposit interest calculator | Check the level of interest due against a tax deposit you have already made under the Certificate of Tax Deposit scheme |
Compliance checks
| Tool | What it does |
|---|---|
| Get help if HMRC contacts you about a compliance check | Find guidance, videos and information about what to do if HMRC contacts you about compliance checks |
Corporation Tax
| Tool | What it does |
|---|---|
| No Corporation Tax due | Tell HMRC you have no Corporation Tax due |
| Corporation Tax using |
Request to pay Corporation Tax by CHAPS to HMRC Cumbernauld |
| Corporation Tax using |
Request to pay Corporation Tax by CHAPS to HMRC Shipley |
Child Benefit and Child Trust Fund
| Tool | What it does |
|---|---|
| Child Benefit tax calculator | Check if you need to pay the High Income Child Benefit Tax Charge |
| Child Trust Fund locator | Work out where your Child Trust Fund is held |
Childcare
| Tool | What it does |
|---|---|
| Check what help you could get with childcare costs | Find out how much you could get towards approved childcare |
Employment status and off-payroll working (IR35)
| Tool | What it does |
| Check employment status for tax | Check the employment status of a worker or if off-payroll working (IR35) rules apply to a contract |
Gambling duties
| Tool | What it does |
|---|---|
| Machine Games Duty registered business | Search businesses by postcode |
HMRC App
| Tool | What it does |
|---|---|
| HMRC App | A quick and easy way to get information about your tax, National Insurance, tax credits and benefits |
Import and export
| Tool | What it does |
|---|---|
| System for the Exchange of Excise Data (SEED) on the European Commission website | Check whether your SEED Excise ID is valid |
| UK Trade Tariff tool | Classify your goods for import or export using the UK Trade Tariff, based on the EU TARIC (Tariff Integre Communautaire) |
Income Tax
| Tool | What it does |
|---|---|
| Estimate your Income Tax for a previous tax year | Use this service to estimate how much Income Tax you should have paid for a previous tax year |
| Estimate your Income Tax for the current year | Estimate how much Income Tax and National Insurance you should pay for the current tax year |
Inheritance Tax
| Tool | What it does |
|---|---|
| Inheritance Tax checker | Get an approximate value of an estate and decide if any Inheritance Tax is likely to be due |
| Inheritance Tax interest calculator | Calculate how much interest is due on a payment of Inheritance Tax |
| Inheritance Tax residence nil rate band (RNRB) calculator | Calculate the RNRB if a home is left to direct descendants |
| Inheritance Tax reduced rate calculator | Check if you qualify to pay a reduced rate of Inheritance Tax |
| Inheritance Tax grossing up calculator | Calculate the chargeable estate, when the will has ‘free of tax’ gifts and the residue is partly or completely exempt |
| Inheritance Tax: guaranteed annuity calculator | Work out an estimated market value of guaranteed annuity payments when valuing assets of the deceased’s estate |
| Inheritance Tax: quarters calculator for trusts | Work out the number of quarters (3-month periods) when Inheritance Tax is charged on a trust for certain chargeable events |
National Insurance
| Tool | What it does |
|---|---|
| Claim a National Insurance refund | Apply for a refund on your National Insurance contributions |
| Director’s National Insurance contributions calculator | Work out a company director’s National Insurance contributions for the current tax year |
| National Insurance contributions calculator | Work out employer and employee National Insurance contributions for the current tax year |
| National Insurance if you work abroad | Check if you have to pay National Insurance in the UK while you’re working abroad |
PAYE
| Tool | What it does |
|---|---|
| Check what your tax code means | Find out what the numbers and letters in your tax code mean and how much tax you will pay |
| Check |
Check |
| PAYE tax calculator | Check your payroll calculations |
| PAYE tax and National Insurance payroll calculator | Check your PAYE tax and National Insurance payroll calculations manually |
| Basic PAYE tools | Tools to help you run your payroll |
| PAYE CHAPS | Request form for PAYE CHAPS transfer |
| Company car calculator | Calculate the company car tax charge based on a car’s taxable value and CO2 rating |
| Statutory Sick Pay calculator | Work out your employee’s Statutory Sick Pay |
| Maternity and paternity calculator | Work out your employee’s maternity or paternity pay and leave |
| PAYE Desktop Viewer | View your employee tax codes and notices |
| Stop PAYE payment booklet form | Stop receiving a PAYE payment booklet |
| Order P45s and P60s | Get P45s and P60s for your employees if you cannot produce these using your payroll software |
| PAYE and National Insurance contributions current year reference checker | Check your PAYE and National Insurance contributions reference for the current year |
Pensions
| Tool | What it does |
|---|---|
| Guaranteed Minimum Pension (GMP) checker | Request GMP calculations |
| Pension annual allowance tool | Check your pension annual allowance |
Self Assessment
| Tool | What it does |
|---|---|
| Estimate your Self Assessment tax bill | Estimate your Self Assessment tax bill |
| Lloyd’s calculator | Work out adjustments under section 107 Finance Act 2000 when filing your Self Assessment tax return |
| Work out your transition profit | Calculate your transition profit for the 2023 to 2024 tax year if you are affected by the new tax year basis (Basis Period Reform) |
Self-employed
| Tool | What it does |
|---|---|
| Check what taxes may apply to you as a sole trader | Find out which taxes you might need to register for as a sole trader |
Stamp Duty Land Tax (SDLT)
| Tool | What it does |
|---|---|
| SDLT calculator | Work out how much SDLT you need to pay when buying or transferring land or property |
| SDLT CHAPS request | Request to pay SDLT by CHAPS |
Tax credits
VAT
| Tool | What it does |
|---|---|
| VAT payment deadline calculator | Work out the VAT payment deadline for your accounting period |
| VAT registration estimator | Check what registering for VAT may mean for your business |
| EU VAT number validation on the European Commission website | Check a VAT number from any EU country to help you complete an EC Sales List |
| VAT CHAPS request | Request to pay VAT by CHAPS |
Updates to this page
-
Links to tools for tax credits and National Insurance that are no longer available have been deleted.
Update history
2025-10-03 14:35
Links to tools for tax credits and National Insurance that are no longer available have been deleted.
2025-05-27 10:55
A link to ‘Check if you can claim full expensing or 50% first year allowances’ has been added.
2025-04-30 11:04
A link to ‘Get help if HMRC contacts you about a compliance check’ has been added.
2025-03-05 13:00
Updated link for Inheritance Tax grossing up calculator to a new version.
2024-12-02 09:00
Welsh translation added.
2024-10-17 15:25
A link to ‘Check what taxes may apply to you as a sole trader’ has been added to the ‘Self-employed’ section.
2024-07-10 09:00
Link to new VAT registration estimator tool has been added.
2024-05-01 00:01
A link to the ‘Work out your transition profit’ tool has been added in the ‘Self Assessment’ section.
2024-03-28 00:30
The Inheritance Tax: quarters calculator for trusts has been updated.
2024-01-05 09:29
A link has been added to guidance explaining how to download and access the HMRC app on a mobile device to get information about your tax, National Insurance, tax credits and benefits.
2023-12-20 13:18
Links to the Director’s National Insurance contributions calculator, and the employees National Insurance contributions calculator now to go a landing page explaining what the calculator is used for.
2023-11-21 08:45
The link to tax credits calculator has been removed as this tool has been decommissioned. The link to tax credits claim form has been removed as it is outdated.
2023-09-08 09:40
An online tool has been added to the ‘National Insurance’ section. It helps you check if you have to pay National Insurance in the UK while you’re working abroad.
2023-07-28 13:56
An online tool has been added under Capital Allowances. The tool can help you check if you can claim super-deduction or special rate first year allowances, if you’re a company.
2023-07-25 14:17
An online tool has been added to the PAYE section. This can help you find out what the numbers and letters in your tax code mean and how much tax you will pay.
2023-07-24 15:20
An online tool has been added under Capital Allowances. The tool can calculate the balancing charge for customers who dispose of an asset for which they have claimed super-deductions or special rates allowances.
2023-07-07 14:54
The online calculator to work out your Small Producer Relief has been added. You can check if you’re eligible for the relief and how much you can get.
2022-07-29 11:39
The ‘Trusts’ section has been removed as the content is now out of date.