Tax & HMRC Calculators
34 free calculators · Updated for 2025/26
Income Tax Calculator
2025-26Calculate your UK income tax for the 2025/26 tax year. See your Personal Allowance, Basic Rate, Higher Rate and Additional Rate tax breakdown.
Scottish Income Tax Calculator
2025-26Calculate Scottish income tax with all 6 bands: Starter, Basic, Intermediate, Higher, Advanced and Top rate for 2025/26.
National Insurance Calculator
2025-26Calculate your Class 1 National Insurance contributions as an employee for the 2025/26 tax year.
Employer National Insurance Calculator
2025-26 TrendingCalculate employer NI contributions at the new 15% rate from April 2025, with the reduced £5,000 secondary threshold.
VAT Calculator
Add or remove VAT at 20%, 5% or 0%. Calculate VAT-inclusive and VAT-exclusive amounts instantly.
Stamp Duty Calculator (SDLT)
2025-26 TrendingCalculate Stamp Duty Land Tax on property purchases in England and Northern Ireland. Updated for April 2025 threshold changes.
Self-Assessment Tax Calculator
2025-26Estimate your self-assessment tax bill including income tax, National Insurance Class 2 and Class 4 for self-employed.
Tax Code Checker — HMRC Code Lookup
Enter your HMRC tax code and find out what it means, your Personal Allowance and if it's correct.
Annual Tax Summary Calculator
Calculate your total tax bill from all income sources — salary, dividends, self-employment, rental and capital gains.
Capital Gains Tax on Property Calculator
Calculate CGT on residential property sales with PPR relief, costs and improvements deductions.
Making Tax Digital Readiness Calculator
TrendingCheck if MTD for Income Tax applies to you. See deadlines, requirements and software costs.
Tax Bracket Visualizer
See your income split across tax bands with a visual bar. Highlights the 60% tax trap at £100-125K.
Inheritance Tax on Pensions Calculator (2027)
TrendingCompare IHT before and after April 2027 when pensions enter the estate. See extra tax liability.
Employer NI Rise Impact Calculator (April 2025)
TrendingCalculate the extra employer NI cost from the April 2025 rate rise (13.8% → 15%, threshold £9,100 → £5,000).
Stamp Duty First-Time Buyer Calculator
2025-26Calculate stamp duty relief for first-time buyers in England and Northern Ireland. Updated April 2025.
Capital Gains Tax Calculator
2025-26Calculate CGT on shares, investments and other assets. Includes annual exempt amount and tax rates for 2025/26.
Inheritance Tax Calculator
2025-26Estimate inheritance tax liability on your estate. Includes nil-rate band, residence nil-rate band and spouse exemption.
Corporation Tax Calculator
2025-26Calculate UK corporation tax at 25% (main rate) or 19% (small profits rate) with marginal relief.
Dividend Tax Calculator
2025-26Calculate tax on dividends with the £500 dividend allowance and rates for basic, higher and additional rate taxpayers.
Council Tax Calculator
Estimate your council tax bill based on your property band and local authority. Includes single person discount.
Marriage Allowance Calculator
2025-26Check if you can save up to £252 per year by transferring part of your Personal Allowance to your spouse or civil partner.
Company Car Tax (BiK) Calculator
2025-26Calculate benefit-in-kind tax on your company car based on list price, CO2 emissions and fuel type.
Crypto Tax Calculator UK
TrendingCalculate capital gains tax on cryptocurrency disposals including Bitcoin, Ethereum and other digital assets.
VAT Flat Rate Scheme Calculator
Compare VAT Flat Rate Scheme vs standard VAT for your business sector. See if you save or lose.
LBTT (Scotland) / LTT (Wales) Calculator
Calculate Land & Buildings Transaction Tax (Scotland) or Land Transaction Tax (Wales) on property purchases.
Landlord Tax Calculator (Section 24)
Calculate tax on rental income including Section 24 mortgage interest relief for buy-to-let landlords.
Side Hustle / Trading Allowance Calculator
Calculate tax on side hustle income. Use the £1,000 trading allowance or claim actual expenses.
Stamp Duty Additional Property Calculator
Calculate SDLT with the 5% additional property surcharge for buy-to-let and second homes.
Blind Person's Allowance Calculator
Calculate tax saving from Blind Person's Allowance (£3,070 extra tax-free income).
Non-Dom Tax Calculator (FIG Regime)
TrendingCalculate tax under the new FIG regime for non-domiciled UK residents. 4-year foreign income exemption.
Crypto Tax CARF Calculator
TrendingTrack crypto disposals, calculate CGT and understand CARF automatic reporting from 2026.
High-Value Property Council Tax Calculator (2028)
TrendingEstimate council tax with proposed surcharge for Band H+ properties. See all bands including new I and J.
NI on Salary Sacrifice Calculator (2029)
TrendingCompare current salary sacrifice NI savings vs proposed 2029 rules. See how much you'll lose.
Council Tax Reduction Calculator
Check which council tax discounts and exemptions you qualify for — single person, student, disabled, care leaver.