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UK calculators
Most money questions in the UK come down to the same thing: what actually lands in your account after tax. These calculators separate gross figures from net ones, and show the deductions in between rather than hiding them behind a single number.
Every result is an estimate based on published rules for a stated tax year. Where a calculator depends on thresholds or rates, the tax year and the source are shown on the page so you can check the figures yourself.
Estimate income tax by band, including the personal allowance taper on higher incomes.
Estimate employee Class 1, employer National Insurance and self-employed Class 4 contributions.
Estimate Income Tax, Class 4 NI, take-home profit and a monthly tax set-aside on trading profit.
See what lands in your account each month after income tax, National Insurance and pension.
Convert gross pay between annual, monthly, weekly, daily and hourly, including pro-rata.
Add or remove VAT at standard, reduced or zero rates.
Work out tax on dividends alongside salary, using the dividend allowance and rates.
Payroll software applies your tax code, any prior-year adjustments, student loan plan type, salary sacrifice arrangements and pension scheme mechanics. A general calculator cannot know all of these, so treat the output as a well-informed estimate rather than a prediction of a specific payslip.
If a figure matters for a decision — a job offer, a dividend, a self-assessment payment — check it against HMRC guidance or speak to an accountant.
The UK tax year runs from 6 April to 5 April. Rates and thresholds can change at the start of a tax year, and occasionally mid-year. Each calculator states which tax year's rules it applies.