❤️ Health & Lifestyle
BMI Calculator
Calculate your Body Mass Index (BMI) instantly — supports both metric and imperial units.
BMI Categories (WHO)
| BMI Range | Category |
|---|---|
| Below 18.5 | Underweight |
| 18.5 – 24.9 | Normal weight |
| 25.0 – 29.9 | Overweight |
| 30.0 – 34.9 | Obese (Class I) |
| 35.0 – 39.9 | Obese (Class II) |
| 40.0 and above | Obese (Class III) |
Frequently Asked Questions
People also ask — answers optimized for search engines and voice queries.
How is BMI calculated?
BMI is calculated by dividing your weight in kilograms by the square of your height in meters: BMI = kg ÷ m². In imperial units: BMI = (lbs ÷ in²) × 703.
What is a healthy BMI?
According to the World Health Organization, a BMI between 18.5 and 24.9 is considered normal/healthy. Below 18.5 is underweight, 25–29.9 is overweight, and 30 or above is classified as obese.
Does BMI apply to everyone?
BMI is a general screening tool and may not accurately reflect health for athletes (higher muscle mass raises BMI), children, elderly individuals, or pregnant women. Always consult a healthcare professional for a comprehensive assessment.
Is BMI the best measure of health?
BMI is a useful population-level screening tool but does not account for muscle mass, bone density, age, or fat distribution. Waist circumference and body fat percentage are complementary measures.
Is this BMI calculator free?
Yes, the BMI Calculator on Potential Daily is completely free with no sign-up required.