From redundancy pay to stamp duty, BMI to maternity leave — every calculator built for UK law, updated for 2025.
Every calculator is built on the same simple principle — give it your details, get your answer.
Browse by category or use the search. We have 15+ calculators covering finance, tax, health and property.
Simple fields with plain-English labels. No jargon, no sign-up, no personal data stored.
Results appear the moment you click — no waiting, no loading screens. Clear, explained output.
Every calculator includes a plain-English breakdown of how your figure is calculated under UK law.
Every figure is sourced from UK legislation and updated each April when statutory rates change.
Calculations follow HMRC, DWP and employment law. Updated April 2025 with the latest statutory rates.
No page reloads, no servers, no waiting. Every calculator runs directly in your browser.
We don't store your data, ask for your email or track your inputs. What you enter stays with you.
Optimised for mobile, tablet and desktop. Large input fields, numeric keyboards, no pinching required.
Meets WCAG 2.1 AA. Clear labels, sufficient contrast, keyboard-navigable. Calculators for everyone.
No paywalls, no premium tiers, no ads interrupting your calculation. Free today, free forever.