Three calculators for the UK system — illustrative bands, honest arithmetic.
England & NI illustrative bands; personal allowance tapers above £100k.
19% small profits, 25% main rate, relief between (illustrative).
Illustrative, not advice. These tools use simplified, representative rates so you can feel the shape of your number privately. Real rates, bands and thresholds change by year and circumstance — verify with IRS.gov, GOV.UK or tax.gov.ae, or let a licensed professional run it properly. Nothing you type here leaves your browser.