UK Calculator Pro - Tax, VAT & Salary

UK Calculator Pro brings essential UK financial tools right to your browser toolbar. No more searching for calculators — get instant results with one click. 🧮 ADVANCED CALCULATOR Full-featured calculator with percentage (%), square root (√), x², memory functions (MC, MR, M+, M−), tip calculator, and complete keyboard support. Works just like a real calculator — but always one click away. 📊 PERCENTAGE CALCULATOR (4 modes) • What is X% of Y? — Instantly calculate percentages • X is what % of Y? — Find the percentage relationship • Percentage Change — Calculate increase or decrease between two values • Add/Remove % — Add or subtract a percentage from any amount All calculations update live as you type — no button needed. 💰 UK TAX CALCULATOR (2025/26) Enter your annual salary and instantly see your take-home pay after: • Income Tax (20%, 40%, 45% bands) • National Insurance (8% / 2%) • Personal Allowance (£12,570, tapered above £100K) • Effective tax rate Supports both England/Wales/NI and Scottish tax rates. 🧾 VAT CALCULATOR • Add VAT at 20%, 5% or 0% to any amount • Remove VAT to find the net price • Instant results — perfect for invoicing, quotes and price checks 🔄 UNIT CONVERTER (12 conversions) • Weight: KG ↔ Stone & Pounds, KG ↔ Pounds • Length: CM ↔ Inches, Miles ↔ KM • Temperature: °C ↔ °F • Volume: Litres ↔ UK Gallons 🖱️ RIGHT-CLICK CONTEXT MENU Select any number on any webpage and right-click to: • Add 20% VAT instantly • Remove VAT • Convert units (kg/lbs/cm/inches) Results appear as a sleek overlay — no popup needed. ⌨️ KEYBOARD SHORTCUTS Full keyboard support in calculator mode: 0-9, +, −, ×, ÷, Enter, Escape, Backspace, % WHY UK CALCULATOR PRO? ✅ Updated for 2025/26 UK tax year ✅ Works offline — all calculations in your browser ✅ No data collection — completely private ✅ Lightweight (under 15KB) ✅ No ads in the extension ✅ Free forever Perfect for accountants, freelancers, small business owners, HR professionals, and anyone who works with UK tax, VAT or unit conversions daily. From the makers of ukcalculator.com — the UK's comprehensive calculator hub with 2,500+ free calculators. Version 1.0.0 | Manifest V3 | Chrome, Edge & Brave compatible