Financial Calculators

This Council Tax calculator turns your council's Band D charge and your property's band into a 2026/27 bill, with monthly instalments over 10 or 12 months.

This VAT Flat Rate Scheme calculator works out what your small business owes HMRC, with the 1% first-year discount and the 16.5% limited cost trader rate.

This savings interest tax calculator applies the 2026/27 £5,000 starting rate, the £1,000 or £500 Personal Savings Allowance and then your marginal rate.

This VAT registration threshold calculator checks your UK turnover against the £90,000 limit, the 30-day forward test and the £88,000 deregistration limit.

This stamp duty on shares calculator works out the 0.5% SDRT or Stamp Duty on UK share purchases: electronic deals to the penny, paper ones above £1,000.

This rental income tax calculator works out 2026/27 Income Tax on your UK rental profit, with the Section 24 basic-rate credit for mortgage interest.

Work out 2026/27 Capital Gains Tax on a UK second home or buy-to-let: the £3,000 allowance, the 18% and 24% rates and the 60-day deadline.

This crypto tax calculator works out 2026/27 UK Capital Gains Tax on crypto: the £3,000 annual exempt amount, then 18% or 24% depending on your income.

This Self Assessment tax calculator adds Income Tax and Class 4 NI on 2026/27 sole trader profit, then shows the 31 January and 31 July payments on account.

This benefit in kind calculator works out the 2026/27 tax on a perk: your Income Tax and your employer's 15% Class 1A National Insurance.

This UK Corporation Tax calculator applies the 2026/27 rates: 19% up to £50,000, 25% from £250,000, marginal relief between and associated companies.

This salary sacrifice calculator shows what sacrificing salary into a pension costs your take-home pay in 2026/27, and the Income Tax and NI you save.

This second job tax calculator shows what you keep from a second job in 2026/27, why it is taxed from the first pound and how NI is charged per job.

This bonus tax calculator shows what you keep from a 2026/27 bonus after Income Tax and National Insurance, including bonuses that cross a tax threshold.

This Marriage Allowance calculator checks whether you qualify in 2026/27 and shows your saving of up to £252 a year, plus what backdating can reclaim.

This High Income Child Benefit Charge calculator shows how much of your UK Child Benefit is clawed back for 2026/27 and how much you keep.

This Child Benefit calculator works out what you receive in the UK for 2026/27 from your number of children, with weekly, monthly and annual totals.

This Statutory Sick Pay calculator estimates 2026/27 SSP for time off sick, with the 28-week limit and the 80% rule for low earners, and when SSP ends.

This Carer's Allowance calculator works out your 2026/27 payment, checks the 35-hour and earnings rules, and shows how much you can earn before losing it.