BMI & Body Metrics

How to Lose Water Weight: 6 Fixes That Work in Days

Water weight can add 1 to 6 pounds overnight without a gram of fat. Here is what causes it and how to lose water weight in a few days.

How to Lose Fat Without Losing Muscle Mass: 4 Rules

How to Lose Visceral Fat: Why Crunches Won't Do It

Visceral fat is the deep fat around your organs and the most linked to diabetes and heart disease. How to know if you have it and how to lose it for real.

Waist to Height Ratio: the 30-Second Check That Beats BMI

The waist to height ratio flags visceral fat better than BMI. Learn the 0.5 rule, how to measure your waist, and how to lower a high number.

How to Calculate Body Fat Percentage at Home

How to calculate body fat percentage at home with a tape measure: the Navy method, the ideal ranges by sex, and how to lower the number without losing muscle.

BMI Chart for Women: Ranges and What It Misses

A BMI calculator for women uses the same formula as the men's version. What changes is the reading: body composition, fat distribution, life stage.

Ideal Body Weight Equation: Why 4 Formulas Disagree

An ideal weight calculator can run four different formulas, and each one hands back a different number for the same body, with a spread of up to 8 kg. Here is why, and how to read it.

Ideal Weight for Height and Age: Your Healthy Range

An ideal weight for height and age chart for adults and older adults, with your healthy range in 30 seconds and the limits the number hides.

What Is BMI? The Number Almost Nobody Reads Right

What is BMI? It is the number that joins weight and height to classify your weight. See how to calculate it, the full chart, and what BMI misses.