About Calcify

Calcify is a free, independent UK calculator and tax tools website. We build simple, fast tools that help real people make sense of their money — without needing an accountant or a spreadsheet.

What We Offer

Our growing collection of calculators covers:

• Tax — Take-home pay, income tax bands, National Insurance, tax code checker, CIS refund checker, and more
• Finance — Mortgage repayments, savings interest, loan comparisons, stamp duty
• Business — VAT calculator, dividend tax, director salary optimisation
• Ecommerce — eBay profit calculator, reseller margin tools
• Everyday — Unit converters, tip calculators, split-bill tools

Why We Built This

UK tax and money questions shouldn't require expensive software or professional consultations for simple answers. Calcify exists to give everyone access to quick, reliable estimates — whether you're a freelancer filing your first Self Assessment, an eBay seller working out profit margins, or just curious what your actual take-home pay is.

Our Approach

• Free forever — All calculators are free to use, no sign-up required
• UK-focused — Built specifically for UK tax rates, rules, and terminology
• Up to date — We update our tools each tax year to reflect current HMRC rates and thresholds
• Privacy-first — We don't ask for personal data; calculations happen in your browser
• Ad-supported — We use Google AdSense to keep the lights on without charging users

Important Note

Calcify provides general information and estimates only. Our tools are not a substitute for professional financial, legal, or tax advice. If your situation is complex or high-stakes, always consult a qualified professional.

Get in Touch

Have a suggestion, spotted an error, or want to say hello? Reach us at [email protected] or visit our contact page.