What exactly does bmi mean?

Im 5 ft 7inchs, and weigh 110 pounds.. I need to find out my bmi,, and I dont know how.. And if you could tell me... I would...

How exactly are they caused? I mean I know they drink beer but like whats the process to looking like a man thats pregnant?

Currenntly my BMI is 16.8 and I want to get it down to 15, who has some weight loss tips? :D

If you're sore, does that mean you're burning away fat?

That would mean you really only had 500, right? Because I have some extra calories I want to burn off.

The muscles are under the fat and the flab on your stomach so people always say you've got to lose that fat for them to show ...

when my nipples get hard duz that mean im gaining weight???

Okay I was looking at the fitness and nutrition section and people kept asking is 4stone or 2stone okay .what the frick does ...

My waist to hip ratio is 0.74 My waist is 28 and my hips are 38 inches. What body shape am I ? Is that a good whr?

I dont know if this matters, but I guess thats the question lol. What does your bmi have to be to obtain abs, or like a reall...