MetricRules! от SpitFire-666

🆕 Now supports HP (horsepower), Fahrenheit, square inches/feet/miles and even nautical miles!

The addon supports 43 different units are which are converted to metric inline, marked with a ruler emoji 📏

Miles, feet, yards, pounds, gallons, fl oz, pint, mpg, mph are deciphered for the rest of the world. The addon works on Firefox Android 📱 too!

A fork of https://github.com/esprimo/imperial-to-metric-chrome-extension.