TranslateBMI Calculator
Calculate BMI, body fat percentage, ideal weight and daily calorie needs.
Step 1: Your Details
Step 2: Lifestyle & Goal
About This Tool
The BMI Calculator is a free online tool that helps you understand your body mass index and overall health profile.
Instead of just giving you a number, this tool calculates your BMI, estimates your body fat percentage, and finds your ideal weight range.
It goes a step further by calculating your daily calorie needs (BMR and TDEE) based on your activity level, and even provides tailored exercise and nutrition plans to help you reach your goals.
It also includes an option to use Asian BMI standards, which adjust for populations that face higher health risks at lower BMI values. Everything runs instantly in your browser.
How to Use
- 1Enter your height and weight in the input boxes.
- 2(Optional) Check the "Asian BMI" box if you belong to an Asian population group.
- 3Select your primary goal: Lose weight, Maintain weight, or Gain muscle.
- 4Choose your daily activity level (e.g., Sedentary, Lightly Active, Very Active).
- 5Select your preferred diet type (e.g., Normal, Vegetarian, Vegan, Keto).
- 6View your BMI score, health category, and daily calorie target.
- 7Scroll down to explore your personalized nutrition plan, exercise routine, and weight loss timeline.
Frequently Asked Questions
BMI (Body Mass Index) is a screening tool that uses your height and weight to estimate body fat. A score under 18.5 is considered underweight, 18.5 to 24.9 is healthy, 25 to 29.9 is overweight, and 30 or above is obese.
Medical studies show that many Asian populations face higher health risks (like diabetes and heart disease) at lower BMI values than Western populations. If you check this box, the tool uses stricter thresholds to give you a more accurate health risk assessment.
No. BMI is a general guideline and cannot tell the difference between muscle and fat. If you are very muscular, your BMI might show as "overweight" even if you have very little body fat. In that case, body fat percentage is a better metric.
The tool uses the Mifflin-St Jeor equation to find your Basal Metabolic Rate (BMR), which is how many calories you burn at rest. It then multiplies that by your activity level to find your Total Daily Energy Expenditure (TDEE). If your goal is to lose or gain weight, it adjusts that number accordingly.
No. The food suggestions and meal timing are general examples to help you get started. Always consult a healthcare professional or a registered dietitian before making major changes to your diet, especially if you have underlying health conditions.
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