BMI Calculator
Enter your height, weight, age, and activity level to instantly see your BMI, weight category, ideal weight range, and daily calorie target.
Body Measurements
Results
Enter height and weight to see results instantly.
Add age and sex to calculate calorie needs.
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—
BMI
UnderweightNormalOverweightObese
1518.5253040+
Ideal weight range
— – —
kg (BMI 18.5–24.9)
BMR (resting)
—
kcal/day
TDEE (maintenance)
—
kcal/day
Calorie targets
Lose weight (-500 kcal)
—
kcal/day
Maintain
—
kcal/day
Gain weight (+500 kcal)
—
kcal/day
Summary
Enter your height, weight, age, and activity level to instantly see your BMI, weight category, ideal weight range, and daily calorie target.
How it works
- Enter your height in cm or feet and inches.
- Enter your weight in kg or pounds.
- Optionally enter your age, sex, and activity level for calorie estimates.
- Results update instantly — no button needed.
Use cases
- Check if your weight is in a healthy range for your height.
- Calculate the calorie deficit needed to lose weight safely.
- Find the ideal weight range to aim for during a fitness program.
- Estimate your maintenance calories before starting a diet.
Frequently Asked Questions
Last updated: 2026-06-23 ·
Reviewed by Nham Vu