MetricCalc Unit Converter

A fast, offline unit converter for length, volume, temperature, area, weight, and speed.

Convert common measurement units quickly and easily, directly from your browser - even when you're offline. MetricCalc: Offline Unit Converter is a lightweight Chrome extension designed for fast, everyday unit conversions without needing to open a separate website or search for conversion formulas. Features: • Convert length, volume, temperature, area, weight, and speed • Switch smoothly between metric, imperial, US customary, and nautical units • Use popular shortcuts such as cm to inches, kg to pounds, Celsius to Fahrenheit, cups to millilitre, and km/h to mph • See the conversion formula for each result • Swap source and target units in one click • Copy results for use in messages, notes, spreadsheets, and forms Works Offline The converter works directly in your browser, so an internet connection isn't required for supported unit conversions. This makes it useful while travelling, working with limited connectivity, or whenever you need a quick conversion without loading another webpage. Useful for Everyday Tasks MetricCalc can help with conversions when: Shopping and comparing product dimensions Cooking and working with measurements Travelling between countries that use different measurement systems Studying or completing assignments Working on engineering, technical, or DIY projects Comparing metric and imperial measurements For conversions and additional measurement tools, you can also visit MetricCalc.com.