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How to Calculate Your Ideal Body Weight

Decades ago, ideal body weight was determined based on a person’s age. Certain age ranges had a corresponding range in weight, and if you exceed the weight limit for your age then you are considered overweight. This concept has changed through the years, and today it is practically obsolete.

What is clearly wrong about determining ideal weight based on a person’s age is the fact that different people have different body types and builds. Not all sixteen-year-olds are equally tall, and not all middle-aged people have adequate muscle mass. The major factor that was overlooked in the conventional process of determining ideal body weight was that of height.

Today, we calculate a person’s ideal weight based on his height. Shorter people should weigh less, and taller people should put on some pounds – all this to ensure that the body appears to be in all the right proportions.

Now, before we had on to discuss the math, there are actually body mass index calculators that you can get at a very affordable price. Let's be honest, who carries around a pen and paper working out their BMI? But in any case, pen and paper are still the cheaper way to go if you're on a really, really, really tight budget.

Here’s how to calculate your ideal body weight:


For Men:
1. Get your height in centimeters.
2. Subtract 100 from that value.
3. Get 10% off the resulting number in #2.
4. Subtract that value from the resulting number in #2.
5. The resulting answer should be your ideal body weight in kilograms.
In other words:
Ideal body weight (kg) = [Height (cm) - 100] - ([Height (cm) - 100] x 10%)

For Women:
1. Get your height in centimeters.
2. Subtract 100 from that value.
3. Get 15% off the resulting number in #2.
4. Add that value to the resulting number in #2.
5. The resulting answer should be your ideal body weight in kilograms.
In other words:
Ideal body weight (kg) = [Height (cm) - 100] + ([Height (cm) - 100] x 15%)

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