BMI Calculator
Body Mass Index · Ideal weight range · Weight status — supports metric & imperial
Height (cm)
Weight (kg)
Age
Sex
Underweight
<18.5
Normal
18.5–24.9
Overweight
25–29.9
Obese
≥30
BMI Classification (WHO)
Underweight
< 18.5
Normal weight
18.5 – 24.9
Overweight
25.0 – 29.9
Obese Class I
30.0 – 34.9
Obese Class II
35.0 – 39.9
Obese Class III
≥ 40.0
Calorie & Nutrition Calculator
BMR · TDEE · daily calorie target · macro breakdown — Mifflin–St Jeor formula
Age
Height (cm)
Weight (kg)
Activity Level
🛋️SedentaryLittle/no exercise
🚶Light1–3 days/week
🏃Moderate3–5 days/week
🏋️Active6–7 days/week
🔥Very ActiveAthlete / manual job
Goal
Age Calculator
Exact age · Korean age (만/세는 나이) · next birthday · zodiac · birthstone
Date of Birth
As of Date