Free Tax Calculators for UK Businesses
Our collection of free tax calculators helps UK business owners estimate their tax liabilities, plan finances, and make informed decisions throughout the year. Each calculator is designed specifically for the UK tax system and updated to reflect current rates and thresholds. Whether you’re working out your corporation tax, estimating dividend tax, or planning your self-assessment payment, these tools give you instant answers without complex spreadsheets or guesswork.
Simply enter your figures and get accurate calculations in seconds. All our calculators are completely free to use, with no registration required. They’re built for business owners who need quick, reliable tax estimates without wading through HMRC guidance documents or hiring an accountant for every question.
Use these tools as often as you need for tax planning, budgeting, or checking your accountant’s calculations. While our calculators provide accurate estimates based on the information you enter, they don’t replace professional tax advice for complex situations. For detailed tax planning or compliance questions, our qualified accountants are here to help.
Salary Tax Calculator
Calculate your take-home pay after income tax, NI, and pension contributions. Enter your annual salary to see exactly how much lands in your bank account each month and what goes to HMRC.
Dividend Tax Calculator
Work out how much tax you'll pay on dividends from your limited company. Enter your dividend amount and total income to calculate your dividend tax liability based on current rates and allowances.
Child Benefit Calculator
Calculate your Child Benefit entitlement and any High Income Child Benefit Charge you might owe. Find out how much you'll receive and whether you need to repay some or all of it through your tax return.
Capital Gains Tax Calculator
Calculate the tax due when you sell assets like property, shares, or business interests. Enter your sale price, purchase cost, and allowable expenses to work out your capital gains tax liability and annual exemption.
Stamp Duty Tax Calculator
Work out stamp duty land tax you'll pay when buying property in England or Northern Ireland. Enter the purchase price and property type to see your total stamp duty bill and how it breaks across tax bands.
Flat VAT Rate Calculator
Calculate the Flat Rate VAT scheme saves you money compared to standard VAT accounting. Enter your turnover and expenses to compare what you'd pay under each scheme and see your potential savings.
Corporation Tax Calculator
Calculate your company's corporation tax liability based on annual profits. Enter your taxable profit to see how much corporation tax you owe and when payment is due to HMRC.
Self-Employed Tax Calculator
Work out your income tax and National Insurance as a self-employed individual. Enter your profits and any other income to calculate your total tax bill and Self Assessment payment deadlines.
Business Loan Calculator
Calculate your monthly repayments and total interest on a business loan. Enter the loan amount, interest rate, and repayment period to see exactly what you'll pay each month and over the full loan term.
Bonus Tax Calculator
Find out how much tax you'll pay on your work bonus and what you'll actually receive. Enter your bonus amount and annual salary to see the deductions for income tax and National Insurance on your bonus payment.
Employer NIC Calculator
Calculate National Insurance you'll pay as an employer on staff wages. Enter employee salaries to work out your employer NIC contributions and total employment costs for budgeting and payroll.
Business Mileage Tax Calculator
Calculate tax relief on business mileage using HMRC's approved rates. Enter your business miles to see how much you can claim back and the tax savings available for using your personal vehicle for work.
Holiday Pay Entitlement Calculator
Calculate statutory holiday entitlement for your employees based on their working pattern and hours. This tool works out how many days or hours of paid leave your staff are legally entitled to each year, whether they work full-time, part-time, or irregular hours.
Maternity Pay Calculator
Work out Statutory Maternity Pay (SMP) entitlement for eligible employees taking maternity leave. Enter employment details and average earnings to calculate the weekly SMP amount and total payment over the maternity period.