UK Tax Calculation Tools • Personal, Property and Business Tax
UK Tax Calculators
Use these UK tax calculators to estimate Income Tax, Self Assessment liabilities, Capital Gains Tax, rental profits, dividend tax, Corporation Tax, VAT, payroll deductions and possible HMRC penalties. They provide a preliminary figure for individuals, landlords, directors and businesses in Exeter and the surrounding Devon area before the underlying tax position is reviewed.
Using the calculation tools
What These Calculators Can and Cannot Show
The tools provide preliminary estimates for common personal, property and business tax questions. They can help you understand the likely scale of a liability, compare alternatives and identify figures that may need further review. They do not determine every relief, filing requirement or technical issue.
Useful starting estimates
Figures the calculators can help you explore
- Income Tax and Self Assessment liabilities
- Payments on account and personal tax cash flow
- Rental profits and mortgage-interest adjustments
- Capital gains on property, shares and other assets
- Company profits, dividends and salary comparisons
- VAT, payroll deductions and late-filing exposure
Professional review may be needed
Matters a calculator cannot decide on its own
- The correct tax year, residence or split-year position
- Reliefs, exemptions, elections and earlier losses
- Foreign tax credits and treaty treatment
- Joint ownership, trusts or connected-company issues
- Whether a return, report or disclosure must be filed
- The appropriate response to an HMRC enquiry or penalty
Personal tax calculators
Personal Tax Calculators
Use these calculators to estimate personal tax, Self Assessment tax and payments due to HMRC.
Income Tax Calculator
Estimate Income Tax based on taxable income, allowances and tax bands. Useful for employees, pensioners, directors and individuals with more than one income source.
- Employment income
- Pension income
- Taxable income estimate
- Income Tax band calculation
Self Assessment Tax Calculator
Estimate a Self Assessment position by combining income, expenses, allowances and tax already deducted.
- Employment and self-employment income
- Property income
- Dividends and interest
- Estimated tax payable or refund
Payments on Account Calculator
Estimate HMRC payments on account based on your previous Self Assessment tax liability and balancing payment.
- 31 January payment estimate
- 31 July payment estimate
- Balancing payment guide
- Useful for cash-flow planning
Dividend Tax Calculator
Estimate tax on dividends after considering income level, dividend allowance and tax bands. Useful for company directors and shareholders.
- Dividend income estimate
- Director dividend planning
- Tax band calculation
- Personal tax estimate
Property tax calculators
Property and Capital Gains Tax Calculators
These calculators help landlords and property owners estimate rental profits, property tax and Capital Gains Tax. They can be useful where property income, mortgage interest, joint ownership or a sale needs to be reviewed.
Capital Gains Tax Calculator
Estimate Capital Gains Tax on property, shares or other assets based on disposal proceeds, purchase cost, improvement costs and available reliefs.
- Property disposal gains
- Asset sale gains
- Allowable costs
- Estimated CGT due
Rental Profit Tax Calculator
Estimate taxable rental profit after rental income, allowable property expenses and finance cost adjustments.
- Rental income
- Allowable expenses
- Mortgage interest adjustment
- Estimated taxable rental profit
Mortgage Interest Tax Relief Calculator
Estimate the effect of mortgage interest finance cost relief on your landlord tax calculation.
- Rental income estimate
- Mortgage interest restriction
- Basic rate tax credit guide
- Landlord tax planning
Non-Resident Landlord Tax Calculator
Estimate UK tax on rental income for non-resident landlords with UK property income.
- UK rental income
- Allowable property expenses
- Non-resident landlord tax estimate
- NRL scheme planning
Business tax calculators
Business and Company Tax Calculators
These calculators help directors, employers and business owners estimate company tax, VAT and payroll figures before the accounts, VAT return or payroll records are finalised.
Corporation Tax Calculator
Estimate Corporation Tax on company profits, including small company and main rate planning where relevant.
- Company profit estimate
- Corporation Tax calculation
- Director planning support
- CT600 preparation guide
Salary vs Dividend Calculator
Compare the tax effect of salary and dividends for company directors and owner-managed businesses.
- Salary planning
- Dividend tax estimate
- National Insurance guide
- Director profit extraction
VAT Calculator
Calculate VAT inclusive, VAT exclusive and VAT amount figures for invoices, purchases and pricing.
- Add VAT to net amount
- Remove VAT from gross amount
- Calculate VAT amount
- Useful for invoices and pricing
Payroll Tax Calculator
Estimate payroll deductions including PAYE tax, employee National Insurance and employer payroll costs.
- PAYE estimate
- Employee NI estimate
- Employer cost guide
- Monthly payroll planning
HMRC and penalty calculator
HMRC Payment and Penalty Calculator
Use this calculator to estimate possible late filing or late payment exposure before speaking to us.
HMRC Late Filing Penalty Calculator
Estimate potential HMRC late filing penalties and understand why late tax returns should be dealt with quickly. The final HMRC position depends on the tax involved, filing history, deadline and whether a reasonable excuse may apply.
- Late Self Assessment penalty guide
- Late filing exposure
- Payment deadline planning
- Appeal and reasonable excuse review
Relevant to Exeter and surrounding Devon
Which Calculator Is Relevant to Your Situation?
Exeter's economy creates a varied mix of personal, property and business tax questions. The routes below show which calculator group is likely to provide the most useful starting estimate.
Personal Income and Professional Work
Doctors, consultants, academics and employees with more than one income source may start with the Income Tax, Self Assessment, payments-on-account or payroll calculator.
View personal tax calculatorsRental Income and Property Disposals
Exeter, East Devon and Teignbridge property owners may use the rental-profit, mortgage-interest, non-resident-landlord and Capital Gains Tax calculators.
View property tax calculatorsDirectors and Owner-Managed Businesses
Professional companies, technology founders and family businesses may use the Corporation Tax, dividend, salary-versus-dividend, VAT and payroll calculators.
View business tax calculatorsConstruction, Manufacturing and Tourism
Businesses across Mid Devon and the wider Exeter area may use VAT, payroll, company-tax and late-filing tools when reviewing cash flow, staffing and compliance exposure.
View HMRC and penalty calculatorWhen an estimate is not enough
When the Calculation Should Be Reviewed
A calculator is useful for testing a figure, but it cannot replace analysis of the records, ownership, tax year and filing position. A professional review is particularly important where the result affects a transaction, disclosure, company decision or response to HMRC.
Property and international matters
Ownership, residence and reliefs
Review is normally needed for joint ownership, property improvements, private residence relief, foreign income, double-tax relief, UK residence and split-year treatment.
Companies and employment
Director and business decisions
Salary, dividends, share options, associated companies, losses, benefits, VAT schemes and payroll obligations may alter the result shown by a simple calculation.
HMRC and historic matters
Enquiries, penalties and disclosures
Late returns, omitted income, compliance checks and penalties require review of the legal route, behaviour, records, time limits and correspondence—not merely a numerical estimate.
Common questions
Tax Calculators FAQs
Are the calculator results final tax advice?
No. The calculators provide estimates only. The final tax position depends on the tax year, income sources, allowances, reliefs, residence status, records and HMRC rules.
Can I use the calculator result for my tax return?
You can use it as a guide, but you should not treat it as final without checking the figures. A tax return must be based on accurate records and the correct tax rules for the relevant year.
Can a calculator tell me whether I must file a tax return?
No. A tax estimate and a filing obligation are different questions. A return, property report, company filing or disclosure may still be required even where a calculator shows little or no tax to pay.
Which calculator should landlords use?
Landlords may find the Rental Profit Tax Calculator, Mortgage Interest Tax Relief Calculator, Non-Resident Landlord Tax Calculator and Capital Gains Tax Calculator useful.
Which calculator should company directors use?
Company directors may find the Dividend Tax Calculator, Salary vs Dividend Calculator, Corporation Tax Calculator and Payroll Tax Calculator useful.
Can you check my calculator result?
Yes. If you are unsure whether the calculation is correct, you can contact us or book an appointment. We can review the figures before you file, disclose or respond to HMRC.
Need help with a tax calculation?
Ask Us to Review Your Figures
Tell us which calculation you need help with and include the relevant tax year, property transaction, company period or HMRC deadline. We will confirm the information required and the fee before work begins. Documents are not needed with the initial enquiry.