bmi calculation
BMI Calculation (Body Mass Index) – Formula, Chart, Example & Health Guide
BMI (Body Mass Index) is one of the most common methods to check whether body weight is in a healthy range. It is widely used by doctors, fitness professionals, and health organizations.
Bangladesh-focused guide with practical calculation workflow.
Calculator in This Article
BMI Calculator
Calculate your Body Mass Index (BMI) to check if you are underweight, normal, overweight, or obese.
BMR Calculator
Calculate your Basal Metabolic Rate — calories your body burns at rest.
Ideal Weight
Calculate your ideal body weight based on height and gender using multiple formulas.
Body Fat Calculator
Estimate your body fat percentage using the US Navy method.
What Is BMI?
- BMI is a measure based on height and weight used as a general indicator of weight status.
BMI Formula
- BMI = Weight (kg) / Height² (m²).
Step-by-Step Example
- Weight = 70 kg, Height = 1.75 m.
- BMI = 70 / (1.75 × 1.75) = 22.86.
- Final BMI = 22.86.
BMI Chart
- Below 18.5: Underweight.
- 18.5 to 24.9: Normal.
- 25 to 29.9: Overweight.
- 30 and above: Obese.
Why BMI Is Important
- Helps detect broad health risk trends.
- Supports fitness and weight management planning.
- Useful for regular progress tracking.
Limitations of BMI
- BMI does not directly measure body fat percentage.
- It may be less accurate for highly muscular individuals.
How to Maintain Healthy BMI
- Follow a balanced diet.
- Exercise regularly.
- Maintain consistent healthy lifestyle habits.
Use Our BMI Calculator
- Calculate instantly: https://www.fastcalculator.xyz/
FAQ
What is ideal BMI?
A BMI between 18.5 and 24.9 is generally considered the normal range for adults.
Is BMI accurate?
BMI is a useful screening indicator but it does not directly measure body fat percentage.