Fitness estimates

General fitness estimates: BMI, healthy weight range from standard BMI cutoffs, training heart-rate zones, and hydration guidelines. Not medical advice.

4 tools in this section

BMI

Calculate BMI from height and weight. Estimate only — not medical advice.

Ideal Weight

Estimate healthy weight range from height using BMI 18.5 to 24.9. Not medical advice.

Heart Rate Zone

Estimate max heart rate and training zones by age. Not medical advice.

Water Intake

Estimate daily water needs from body weight and exercise. General guideline only.

Ad slot B · Mid content