Free calculators

See what the tax system actually does to your money.

Free, interactive tax calculators. No account, nothing sent anywhere — every figure computes in your browser on published 2026/27 rates, the same engine behind the paid product. Made to be shared, and to be checked.

Reading, not calculating? Try the field notes or the dictionary.

CalculatorInteractive

The £100k Trap Calculator

Set your salary and see the hidden 60% band, the childcare cliff that makes it worse, and the exact pension contribution that undoes both.

Open →

CalculatorNew

Salary v Dividend

£744 — what April's two-point dividend rise added to the standard director's draw. Set your profit, see both routes out with every tax counted, and the marginal rate on your next £100.

Open →

CalculatorInteractive

The Company Take-Home Calculator

Set your salary and dividend. See all four taxes — income tax, National Insurance, dividend tax and the corporation tax already paid inside the company — and what actually reaches you.

Open →

CalculatorInteractive

The Stealth Tax Calculator

Estimate the taxes you pay with no bill attached — VAT, fuel duty, alcohol, insurance, flights, council tax. The average household pays around £7,000 a year.

Open →

CalculatorInteractive

The Fiscal Drag Calculator

Frozen thresholds quietly raise your tax every year with no announced rate change. Set your salary and inflation; see the total the freeze has cost you since 2021.

Open →

CalculatorComing soon

Where Your Tax Goes

Your income tax and NI, itemised into what it buys — the NHS, pensions, debt interest, defence. The receipt the state never sends.