UK money calculators for the decisions that matter – from your take-home pay and pension to savings, tax and what you can actually afford.
Enter your figures. See the numbers. Understand your options.
One payment. No subscription. Your figures stay on your device.
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Pay on Gumroad. You get a licence key by email. One payment covers the 2026/27 tax year, including updates after the Budget.
Use the email you bought with. We send a link and a 6-digit code. No password. Paste your licence key in once.
Nothing to download or install. Works on your phone or computer. Save your numbers to a file if you want to come back to them.
Every rule used is listed inside each tool with where it comes from and the date it was last checked.
The figures you type stay in your own browser. Nothing you enter is uploaded to us.
Each tool says what it does not cover. They are information, not advice, and we are not authorised by the FCA.
For people in England, Wales and Northern Ireland. Not for Scottish taxpayers. UK customers only.