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weight calculators

Did the NIH Just Create the Best Weight Loss Calculator Ever?

A few questions and fancy algorithms can determine how many calories you should be eating.

BMI vs Weight vs Waist Circumference

When it comes to tracking your health, numbers can be helpful—if you use the right ones.

ABSI: A Replacement for Body Mass Index?

Nutritionist Cynthia Sass explains A Body Shape Index or ABSI, a new formula that may be better than BMI at predicting how your weight impacts your health risks

The Best (and Worst) Ways to Measure Body Fat

From old-school calipers to space-age vessels, which is most accurate?

Ask the Diet Doctor: How Many Calories Should I Eat to Lose Weight?

Our Diet Doc shares a simple formula to find the right answer for YOU.

Help! Why Does My Workout Cause Weight Gain?

Work out, eat right, and still gain weight? Find out why.

Will Body Mass Index Be Replaced?

Doctors and scientists have been estimating body fat with Body Mass Index (BMI) for nearly 200 years. Looks like it may be time for an update.

Body Mass Index (BMI) Calculator

Want to know if your BMI is healthy? Just enter your height and weight to find out if you're on track.