I’m in my 30s and don’t have a clue what a stone is. Stones is the kind of measurement my parents (who grew up with shillings etc) grew up with, but even my mot

I’m in my 30s and don’t have a clue what a stone is. Stones is the kind of measurement my parents (who grew up with shillings etc) grew up with, but even my mother uses kilograms these days.