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BMI Calculator

Calculate your Body Mass Index, ideal weight range, BMI prime, Ponderal Index, and daily calorie needs based on your stats.

Your Measurements

Enter your height, weight, age, and sex for a complete analysis

BMI Scale

Your position on the BMI scale (10–40+)

101618.525303540+
Severe Under Normal Over Obese I Obese II+

Complete Health Metrics

Daily Calorie Needs (TDEE)

Based on Mifflin-St Jeor BMR formula

Ideal Weight Formulas

Different clinical methods for ideal body weight

BMI

body mass index

Category

WHO classification

Healthy Weight Range

BMI 18.5–24.9

BMI Prime

ratio to upper normal (25)

Weight to Lose/Gain

to reach healthy BMI

BMR (Calories)

basal metabolic rate

WHO BMI Classification

BMI Range Category Health Risk For 5'10" Person
< 16.0Severely UnderweightVery High< 111 lbs
16.0–18.4UnderweightHigh111–128 lbs
18.5–24.9Normal WeightLow129–173 lbs
25.0–29.9OverweightModerate174–208 lbs
30.0–34.9Obese Class IHigh209–242 lbs
35.0–39.9Obese Class IIVery High243–277 lbs
≥ 40.0Obese Class III (Morbid)Extremely High> 278 lbs

Important: BMI is a screening tool, not a diagnostic measure. It does not directly measure body fat and may overestimate fatness in athletes or underestimate it in older adults. Consult a healthcare professional for a complete health assessment. This calculator is for informational purposes only.