I would notice that the link is "/fun/1RM.htm" Not "/any-basis-in-reality-whatsoever/1RM.htm"

Seriously though, if you don't lift for a 1RM, then you don't have a max of whatever these calculators say. And as I said, it doesn't matter what it is. Comparing bench press numbers among non-competing athletes is like comparing wangs in the shower...