T

Tax & HMRC Calculators

34 free calculators · Updated for 2026/27

Free UK tax calculators for income tax, NI, VAT, stamp duty, capital gains and inheritance tax. Updated with HMRC rates for 2026/27.

I

Income Tax Calculator

2026-27

Calculate your UK income tax for the 2026/27 tax year. See your Personal Allowance, Basic Rate, Higher Rate and Additional Rate tax breakdown.

S

Scottish Income Tax Calculator

2026-27

Calculate Scottish income tax with all 6 bands: Starter, Basic, Intermediate, Higher, Advanced and Top rate for 2026/27.

N

National Insurance Calculator

2026-27

Calculate your Class 1 National Insurance contributions as an employee for the 2026/27 tax year.

E

Employer National Insurance Calculator

2026-27 Trending

Calculate employer NI contributions at the new 15% rate from April 2025, with the reduced £5,000 secondary threshold.

V

VAT Calculator

Add or remove VAT at 20%, 5% or 0%. Calculate VAT-inclusive and VAT-exclusive amounts instantly.

S

Stamp Duty Calculator (SDLT)

2026-27 Trending

Calculate Stamp Duty Land Tax on property purchases in England and Northern Ireland. Updated for April 2025 threshold changes.

S

Self-Assessment Tax Calculator

2026-27

Calculate your Self Assessment tax bill for 2026/27. Income tax + Class 4 NI (6%/2%). Class 2 abolished. Payments on Account if bill exceeds £1,000.

T

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.

A

Annual Tax Summary Calculator

Calculate your total tax bill from all income sources — salary, dividends, self-employment, rental and capital gains.

C

Capital Gains Tax on Property Calculator

Calculate CGT on residential property sales with PPR relief, costs and improvements deductions.

M

Making Tax Digital Readiness Calculator

Trending

Check if MTD for Income Tax applies to you. See deadlines, requirements and software costs.

T

Tax Bracket Visualizer

See your income split across tax bands with a visual bar. Highlights the 60% tax trap at £100-125K.

I

Inheritance Tax on Pensions Calculator (2027)

Trending

Compare IHT before and after April 2027 when pensions enter the estate. See extra tax liability.

E

Employer NI Rise Impact Calculator (April 2025)

Trending

Calculate the extra employer NI cost from the April 2025 rate rise (13.8% → 15%, threshold £9,100 → £5,000).

S

Stamp Duty First-Time Buyer Calculator

2026-27

Calculate stamp duty relief for first-time buyers in England and Northern Ireland. Updated April 2025.

C

Capital Gains Tax Calculator

2026-27

Calculate your Capital Gains Tax for 2026/27. £3,000 annual exempt amount, 18%/24% rates on all asset types (post Oct 2024 Budget unified rates).

I

Inheritance Tax Calculator

2026-27

Calculate UK Inheritance Tax for 2026/27. £325k nil-rate band + £175k residence nil-rate band, 40% above. Includes RNRB taper for estates over £2m.

C

Corporation Tax Calculator

2026-27

Calculate your UK Corporation Tax. 25% main rate over £250k, 19% small profits under £50k, marginal relief 3/200 between. Updated 2026/27.

D

Dividend Tax Calculator

2026-27

Calculate UK dividend tax for 2026/27. £500 allowance + 8.75% basic, 33.75% higher, 39.35% additional rates. Free company director calculator.

C

Council Tax Calculator

Estimate your council tax bill based on your property band and local authority. Includes single person discount.

M

Marriage Allowance Calculator

2026-27

Check if you can save up to £252 per year by transferring part of your Personal Allowance to your spouse or civil partner.

C

Company Car Tax (BiK) Calculator

2026-27

Calculate benefit-in-kind tax on your company car based on list price, CO2 emissions and fuel type.

C

Crypto Tax Calculator UK

Trending

Calculate capital gains tax on cryptocurrency disposals including Bitcoin, Ethereum and other digital assets.

V

VAT Flat Rate Scheme Calculator

Compare VAT Flat Rate Scheme vs standard VAT for your business sector. See if you save or lose.

L

LBTT (Scotland) / LTT (Wales) Calculator

Calculate Land & Buildings Transaction Tax (Scotland) or Land Transaction Tax (Wales) on property purchases.

L

Landlord Tax Calculator (Section 24)

Calculate tax on rental income including Section 24 mortgage interest relief for buy-to-let landlords.

S

Side Hustle / Trading Allowance Calculator

Calculate tax on side hustle income. Use the £1,000 trading allowance or claim actual expenses.

S

Stamp Duty Additional Property Calculator

Calculate SDLT with the 5% additional property surcharge for buy-to-let and second homes.

B

Blind Person's Allowance Calculator

Calculate tax saving from Blind Person's Allowance (£3,070 extra tax-free income).

N

Non-Dom Tax Calculator (FIG Regime)

Trending

Calculate tax under the new FIG regime for non-domiciled UK residents. 4-year foreign income exemption.

C

Crypto Tax CARF Calculator

Trending

Track crypto disposals, calculate CGT and understand CARF automatic reporting from 2026.

H

High-Value Property Council Tax Calculator (2028)

Trending

Estimate council tax with proposed surcharge for Band H+ properties. See all bands including new I and J.

N

NI on Salary Sacrifice Calculator (2029)

Trending

Compare current salary sacrifice NI savings vs proposed 2029 rules. See how much you'll lose.

C

Council Tax Reduction Calculator

Check which council tax discounts and exemptions you qualify for — single person, student, disabled, care leaver.