Live Unit Converter

Automatically converts units in webpages to your preferred units. Supports bidirectional Imperial ↔ Metric conversion.

Instantly convert units and currencies on any webpage you visit. Tired of copy-pasting into Google to figure out how many kilometers are in 50 miles, or how much €20 is in USD? Live Unit Converter does the math for you, automatically and seamlessly as you browse. Whether you're reading a recipe, shopping online, or browsing travel guides, Live Unit Converter detects units and currencies in the text and displays the converted value right next to the original—no clicks required. 🚀 Key Features ⚡ Automatic & Instant: No need to highlight text or click buttons. Conversions happen live as the page loads. ↔️ Bidirectional Support: Seamlessly switch between Imperial (US) and Metric systems. 💰 Live Currency Conversion: Automatically converts prices to your local currency using daily updated exchange rates. 🧠 specific Context Awareness: Smartly ignores dates, phone numbers, and code to only convert relevant measurements. 🧩 Seamless Integration: Converted values appear naturally in the text (e.g., "10 lbs (4.5 kg)"), preserving the original content. 🔒 Privacy-First: All unit conversions happen 100% locally on your device. 📏 Supported Conversions Length & Distance: Miles ↔ Kilometers Feet/Yards ↔ Meters Inches ↔ Centimeters Weight & Mass: Pounds (lbs) ↔ Kilograms Ounces (oz) ↔ Grams Volume: Gallons ↔ Liters Temperature: Fahrenheit ↔ Celsius Currencies: USD, EUR, GBP, JPY, INR, AUD, CAD, CNY and more! 🔒 Privacy Policy Live Unit Converter does not collect, store, or transmit any of your browsing data. Unit Conversions are performed entirely locally within your browser using JavaScript. Exchange rates are fetched once every 24 hours from a public, anonymous API (open.er-api.com). No personal data or browsing history is ever sent with this request.