BMI Calculator

Compute your Body Mass Index.

Interpretation, healthy range, tips.

Height (cm)

Weight (kg)

Age

Sex

Your BMI

24.2

Normal weight

018.525303540+

Healthy weight range

53.5 – 72 kg

(117.9 – 158.6 lb)

Recommendation

You are in the healthy range. Keep it up.

Basal Metabolic Rate (BMR)

1618 kcal/j

Light activity

2224 kcal/j

Moderate activity

2507 kcal/j

BMI is an approximate indicator. It does not account for muscle mass, body composition or age. Consult a healthcare professional for a diagnosis.

How to use BMI Calculator

1
Choose metric or imperial.
2
Enter your height and weight.
3
See your BMI, category, and healthy weight range.

Practical guide: BMI Calculator

Why use this tool?

Body Mass Index (BMI) is the standard indicator for quickly assessing an adult's weight status. This tool calculates your BMI in seconds from height and weight, shows the WHO category (underweight, normal, overweight, obese) and the healthy weight range for your height. Practical before a medical appointment or to track weight changes over time.

BMI is calculated using the international formula: weight (kg) / height² (m). WHO ranges: <18.5 (underweight), 18.5–25 (normal), 25–30 (overweight), >30 (obese).

Privacy and limits

All values are calculated locally. Your body data stays in your browser and is not shared with anyone.

BMI Calculator is designed to be free, fast and available without creating an account. It suits freelancers, students, marketing teams, developers and small businesses that need to handle a task efficiently.

Best practices

BMI is an average indicator — it does not account for muscle mass.
Athletes and elderly people may get a misleading BMI.
Consult a healthcare professional for personalized guidance.

Related searches: bmi calculator, calculateur imc, body mass index.

Frequently asked questions

What is BMI?⌄

Body Mass Index (BMI) is computed from height and weight: weight (kg) / height² (m). It gives a quick weight status estimate.

Is BMI reliable?⌄

It does not account for muscle mass, body type, or fat distribution. A muscular athlete may have a high BMI without being overweight. Always consult a healthcare professional.

What is the normal range?⌄

Per WHO: under 18.5 = underweight, 18.5–25 = normal, 25–30 = overweight, over 30 = obesity.

Does BMI apply to children?⌄

No. For children and teens, use age- and sex-specific percentile charts (pediatrician).