💪 Health & Fitness

BMI, calorie, water intake, and general wellness calculators.

Calculate body mass index from height and weight, plus BMI category and a healthy weight range estimate.

Estimate daily calories for maintenance, weight loss, or weight gain based on age, sex, height, weight, and activity level.

Estimate daily water intake from weight, exercise time, and hot or humid climate needs.

Estimate target workout heart rate and training zone using age, resting heart rate, and exercise intensity.