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TOOLS · WEIGHT LOSS
BMI calculator.
Body Mass Index in kg/m² — the most-used reference metric, and also the most misunderstood.
cm
120 cm220 cm
Your current weight, not your goal weight.
kg
35 kg250 kg
GOOD TO KNOW
Questions about this calculator, answered.
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MORE CALCULATORS
Keep exploring the numbers.
Basal metabolic rate
Calories your body burns at rest, via the Mifflin-St Jeor formula.
Open calculator →Total daily energy (TDEE)
Your BMR multiplied by a realistic activity factor.
Open calculator →Calorie deficit
How many calories to eat per day to lose weight without starving.
Open calculator →Daily protein
Recommended protein per day based on your goal and training.
Open calculator →Notice: BMI does not tell muscle from fat, nor where it is distributed. It is not a diagnosis. Use it as a starting point, not a verdict.