Free tools · 2026/27
Free UK tax and accounting calculators.
Calculate tax, National Insurance, VAT, dividends, stamp duty, mortgages and more with free calculators updated for the 2026/27 tax year. Built by London accountants.
- Updated for 2026/27 rates
- Free, no sign-up
- 26 calculators
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Income tax, pay and student loans
01
Salary after tax and NIC
02
Income tax and Class 4 NIC
03
Salary plus side income
04
What your code means
05
Basic and higher-rate relief
06
Plans 1, 2, 4, 5 and postgraduate
07
10.75%, 35.75%, 39.35%
08
CGT on property and shares
09
Nil rate and residence bands
Companies, directors and VAT
01
19%, 25% and marginal relief
02
Best director pay mix
03
Compare take-home
04
Day rate to take-home
05
15% and Employment Allowance
06
Add or remove VAT
07
Flat rate vs standard VAT
08
Margin and markup
09
2026/27 multipliers
Property, construction and travel
01
Residential SDLT
02
Monthly payments
03
Yield and interest cover
04
Monthly cost
05
Landlord tax estimate
06
Compare structures
07
Subcontractor refunds
08
HMRC mileage rates
FAQs
Tax calculators: your questions answered
Short, straight answers. Still unsure? Call us on 020 3441 1258.
Yes. All our calculators are free to use with no sign-up.
They use 2026/27 rates and are reviewed whenever rates change. Our pages show when rates were last checked.
They are good estimates for England, Wales and Northern Ireland. Scottish income tax rates differ, and personal circumstances can change your result.
Yes. Book a free call or order a fixed-fee package and a London accountant will confirm your numbers.
Want an accountant to do the sums?
Fixed fees, paid online. Call 020 3441 1258 or get your quote now.
Prices last reviewed November 2026. Cheap Accountants in London is a trading style of ACCOTAX London Ltd.