To calculate your body mass index, you need to do a couple of quick conversions and a little math.
The formula for BMI I use is: W / H^2 where W is weight in kilograms and H is height in meters.
I’m 198lbs, which is 90 kilograms, and I’m 5’8” tall, which is about 1.7 meters. A quick calculation using our formula gives a body mass index of 31.
BMI = 90 / 1.7^2 == 90 / 2.89 ~= 31
As far as BMI is concerned, less than 25 is considered healthy, 25 – 29.9 is considered overweight, and anything over 30 is considered obese. As you can see, I have a reason for wanting to lose weight and get back in the shape I’ve enjoyed most of my life.
The good news is that a higher BMI only means there is more fat and weight to go after. While a lot of people think that it’s soo much easier to lose weight when your “one of those thin people”, I actually found that not to be the case. I actually found that when I was in great shape and exercising regularly it was much harder than it is proving to be to lose the initial large number weight. If I miss a workout right now I see a little blip in my progress charts, but on the whole I keep losing pretty consistently. However, when I was in my ideal weight zone if I missed a single workout I immediately saw and felt the results. Sure, with an established routine and the stamina you enjoy when you’re in shape it might be easier to keep it up, but I contest to anyone that it is easier overall to lose weight and see improvement.