What are standard unites of measurements?

I am not sure what is a measurement standard is?

The English term 'standard of measurement' means accepted or approved instance or example of a quantity or quality against which others are judged or measured or compared

Standard measurements are rather like the standard meanings of the words that you and I are using to communicate with each other. If a word has a standard meaning, then when I use that word you will...

Standard measurements are kilogram, meter, liter and second. Non-standard measurements are antique, ancient, archaic units like fathoms, acres, cubits, miles, stones, hundredweights, pounds, pecks,...

the metric system is based on 1 cc of water weighing 1 gram