There is a Polish website https://kalkulatorkuchenny.pl/, where you type, say, 1 teaspoon of sugar (łyżeczka cukru) and it will convert it to mass, volume, spoon and number of glasses. I’m pretty sure, there is an English language alternative, but didn’t find any
I always bind compose key to right logo key on Linux. Then I can enter interrobang by pressing right logo, exclamation mark and question mark.