I make the hats for charity - so can't ask anyone for their preference/size. So just wanted a "standard" that would fit most. Sometimes I knit, sometimes crochet.
I've seen charts before that will say measure from top to bottom of unfolded cuff - wasn't sure how much to subtract for the cuff (since a beanie doesn't have a cuff). Nor how much to subtract if just the head circumference was given.
I agree, can't see making a hat that doesn't cover the ears - i.e. many of the hats/charities are for the homeless.
Much thanks for the replies.