Free tax tools
Official calculators and checkers from HMRC and GOV.UK. They are free to use and the government keeps them up to date.
Income Tax
- Estimate your Income Tax for the current year (opens GOV.UK in a new tab)
For employees: estimate this year's take-home pay after Income Tax and National Insurance.
- Check your Income Tax for the current year (opens GOV.UK in a new tab)
For employees and pensioners: check your tax code and the Income Tax you are likely to pay this year.
- Calculate tax on employees' company cars (opens GOV.UK in a new tab)
Work out the taxable value of a company car and car fuel.
- Claim tax relief for your job expenses (opens GOV.UK in a new tab)
For employees who pay for work costs themselves, such as uniforms or tools.
- Apply for Marriage Allowance online (opens GOV.UK in a new tab)
For married couples and civil partners: move part of one partner's Personal Allowance to the other to reduce tax.
- Child Benefit tax calculator (opens GOV.UK in a new tab)
Estimate your Child Benefit and any High Income Child Benefit Charge you need to pay back.
Self Assessment and Making Tax Digital
- Check if you need to send a Self Assessment tax return (opens GOV.UK in a new tab)
Answer a few questions to find out if you need to send a tax return.
- Find out if and when you need to use Making Tax Digital for Income Tax (opens GOV.UK in a new tab)
For sole traders and landlords: check whether Making Tax Digital applies to you, and from when.
- Pay your Self Assessment tax bill (opens GOV.UK in a new tab)
The ways to pay your Self Assessment bill, and the deadlines.
- If you cannot pay your tax bill on time (opens GOV.UK in a new tab)
How to set up a payment plan with HMRC if you cannot pay in full.
Property and Capital Gains Tax
- Calculate Stamp Duty Land Tax (SDLT) (opens GOV.UK in a new tab)
Work out the Stamp Duty Land Tax due when buying property or land in England or Northern Ireland.
- Work out your gain when you sell property (opens GOV.UK in a new tab)
Work out the gain on a property that was not your main home, and whether Capital Gains Tax is due.
- Work out your gain when you sell shares (opens GOV.UK in a new tab)
Work out the gain on shares you have sold, and whether Capital Gains Tax is due.
- Report and pay Capital Gains Tax on UK property (opens GOV.UK in a new tab)
After selling a UK residential property, report and pay any Capital Gains Tax due within 60 days of completion.
Employers
- Check employment status for tax (CEST) (opens GOV.UK in a new tab)
Check whether a worker should be treated as employed or self-employed for tax, including IR35.
- Calculate your employee's statutory sick pay (opens GOV.UK in a new tab)
Work out how much Statutory Sick Pay an employee should get.
- Maternity, adoption and paternity calculator for employers (opens GOV.UK in a new tab)
Work out an employee's maternity, adoption or paternity pay and leave.
VAT
- Register for VAT (opens GOV.UK in a new tab)
When you must register for VAT, and how to do it.
- Check what registering for VAT may mean for your business (opens GOV.UK in a new tab)
Estimate how registering for VAT could affect your business.
- Check a UK VAT number (opens GOV.UK in a new tab)
Check that a UK VAT number is valid and see which business it belongs to.
State Pension and National Insurance
- Check your State Pension forecast (opens GOV.UK in a new tab)
See how much State Pension you could get, and when.
- Check your National Insurance record (opens GOV.UK in a new tab)
See your National Insurance contributions and credits, and any gaps in your record.
Scams and the HMRC app
- Report suspicious HMRC emails, texts, social media accounts and phone calls (opens GOV.UK in a new tab)
How to check and report a message or call that claims to be from HMRC.
- Download the HMRC app (opens GOV.UK in a new tab)
HMRC's official app for checking your tax, National Insurance and benefits.
These links go to GOV.UK, the government's website. The tools give general answers. If a result affects a decision about your own tax, talk to us first. HMRC also keeps a full list of its tools and calculators (opens GOV.UK in a new tab).
Want a second opinion?
If a calculator gives a result you did not expect, please email us and we will look at it with you. The first consultation is free.