A fast, offline unit converter for length, volume, temperature, area, weight, and speed.
Users
3
0 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#335K
#262K among extensions
Version
1.0.0
updated 4 Sep 2026
Users
monthly, 1 months
Latest, 16 Oct 2026:3 usersMove the mouse over the chart for any month
Ratings count
monthly, 1 months
Latest, 16 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About MetricCalc Unit Converter
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.