This free lean body mass (LBM) calculator estimates LBM based on body weight, height, age, and gender. It compares the results of several popular formulas.

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Pregnancy Weight Gain Calculator

This pregnancy weight gain calculator provides a recommended weight gain schedule on a week-by-week basis based on pre-pregnancy bodyweight and IOM guidelines.

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Target Heart Rate Calculator

This free calculator calculates the target heart rate range for maximizing exercise benefit based on age and resting heart rate.

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BMI calculator

Free Body Mass Index calculator gives out the BMI value and categorizes BMI based on provided information from WHO and CDC for both adults and children.

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Calorie Calculator

This calorie calculator estimates the number of calories needed each day to maintain, lose, or gain weight. Learn the kinds of calories and their effects.

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Body Fat Calculator

This free body fat calculator estimates body fat percentage based on the U.S. Navy Method and the BMI method. It gives the loss needed to reach ideal body fat.

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