Unit Converter – Length, Weight, Temp & More

Convert length, weight, temperature, volume, area, speed, time and data units — in the popup or right on any webpage.

Convert length, weight, temperature, volume, area, speed, time, and data storage units instantly — right from your browser toolbar, or directly on any webpage you're browsing. Why this extension ▸ 8 categories in one tool: Length, Weight, Temperature, Volume, Area, Speed, Time, and Data Storage ▸ Metric and imperial side by side — no more guessing conversions ▸ Select any value with a unit on a webpage, right-click, and convert it instantly — recognizes recipes, specs, articles, and more ("10 km", "98.6°F", "2 lbs") ▸ No account, no sign-up, nothing to configure How to use it 1. Click the extension icon, pick a category, and enter an amount to convert between any two units 2. Or, select a value with a unit anywhere on the web, right-click, and choose "Convert" — the result appears instantly as a notification 3. Your last-used category and units are remembered automatically for next time Privacy first This extension does not collect, store, or transmit any browsing data or personal information. All conversions run locally in your browser — nothing is sent to any server.