FreeNo signup
BMI Calculator
Calculate body mass index for an adult aged 20 or older from height and weight.
- Body mass index
- 22.86
- Adult screening category
- Healthy-weight BMI range
How the calculation works
BMI = weight in kg / height in meters squared.
Inputs
- Weight, kg
- Height, cm
- Age, years
Calculation details
An adult estimate, not for children, pregnancy, or a personal treatment plan. Discuss results with a clinician or dietitian when managing illness or changing your diet.
BMI is a screening measure, not a body-fat measurement, and may misrepresent people with high muscle mass.
Related calculators
- BMR Calculatorbmr calculatorOpen →
- Body Fat Calculatorbody fat calculatorOpen →
- Calorie Deficit Calculatorcalorie deficit calculatorOpen →
- Calorie Needs Calculatorcalorie calculatorOpen →
- Calories Burned Calculatorcalories burned calculatorOpen →
- Ideal Weight Range Calculatorideal weight calculatorOpen →
Other sections
Sources
Updated: 2026-10-02