Automatic page translation from American to International System of units
Automatically translates all sites from American/old British units to International System of units (SI/Metric) - adding converted unit in a bracket behind original units.
Example: 10 feet 🠚 10 feet【𝟯 𝗺】
Convenient for shopping, cooking, etc.
(You can also use Alt+M for manual conversion of the page)
Inch, Feet, Yard, Mile -> Metre (Meter)
Pound, Ounce, Stone -> Kilogram
Gallon, Quart, Pint, Fluid Ounces, Cups -> Litre (Liter)
mpg -> L/100 km
mph -> km/h
Fahrenheit -> Celsius/Kelvin
Area conversion for ft, yd, in, mi, both as "sq. ft" and "ft²" (must not be superscript); the same is for volume conversion.
Supports Amazon, Ikea, and other formats: 10" x 20" x 3" will be converted and replaced with metric units
Combo units also supported: 1 ½″【𝟯,𝟴 𝗰𝗺】 or 2’−4″【𝟳𝟭 𝗰𝗺】
Features most possible ways these units are written with dashes, quotes, apostrophes, Unicode units, etc.
Toolbar button to turn extension ON/OFF globally
You can keep it off and just run when needed by pressing Alt+M
Permission to read page data is required to be able to change units.
Permission to storage is required to save settings.
Don't forget to check Options page.
Not working on a specific site? Have a suggestion for improvement?
Send me an email with details.
Source code is here https://github.com/m1l/Everything-Metric
Disclaimer: Author is not responsible for any damages, including cakes that are too sweet, because of miscalculation or any other issues.