Useful Tools
A growing collection of free UK tax calculators and utilities, updated for the 2026/27 tax year.
These calculators are indicative only. They are a general guide based on published UK rates and do not constitute tax, financial or legal advice. Confirm current HMRC rates and your own figures before acting on any result.
Salary Calculator
UK 2026/27 employee take-home pay calculator. Includes PAYE, NI and auto-enrolment pension.
Open toolEmployee Total Cost
UK 2026/27 employer cost-of-hire calculator. Gross salary plus employer NI and pension.
Open toolCIS Rebate Calculator
Estimate whether a CIS tax refund may be due to you as a UK construction subcontractor for 2026/27.
Open toolSole Trader vs Limited Company
Compare take-home pay and tax efficiency between trading as a sole trader or a limited company.
Open toolDividend Tax Calculator
Work out the income tax due on dividends drawn from your limited company.
Open toolOptimum Director's Salary
Find the most tax-efficient director's salary level for 2026/27.
Open toolMTD ITSA Scope Checker
Check whether Making Tax Digital for Income Tax applies to you, and from which date — £50k, £30k and £20k phases.
Open toolStamp Duty Land Tax Calculator
Estimate SDLT on residential or buy-to-let property purchases in England & NI.
Open toolIR35 Status Indicator
A guided questionnaire on control, substitution and mutuality — an indication only, with the reasoning for each factor.
Open toolPayments on Account
Calculate your Self Assessment payments on account, their due dates and the balancing payment.
Open toolMileage Allowance Calculator
Calculate your tax-free mileage allowance using HMRC's approved rates, and any relief you can claim.
Open toolCGT Property Estimator
Estimate Capital Gains Tax on the sale of a UK residential property, with reliefs and the 60-day deadline.
Open toolPension Allowance (incl. Carry Forward)
Check your annual pension allowance and any unused allowance carried forward from the past 3 years.
Open tool