Check Your BMI
in 10 Seconds
Enter your height and weight — get your BMI, category, and healthy weight range instantly.
Free Calculators
Know Your Numbers
BMI Calculator
Find out if your weight is in a healthy range for your height. Instant results, metric & imperial.
Calculate BMICalorie Calculator
Estimate your daily calorie needs based on your age, weight, height, and activity level.
Calculate CaloriesCalorie Deficit Calculator
Set your goal weight and rate of loss — get your daily calorie target and time to reach it.
Calculate DeficitIdeal Weight Calculator
Discover your ideal weight range based on your height and body frame using multiple formulas.
Find Ideal WeightBody Fat Calculator
Estimate your body fat percentage using body measurements. Understand lean mass vs. fat mass.
Calculate Body FatWater Intake Calculator
Find out how much water to drink daily based on your weight, activity, and climate.
Calculate Water IntakeMacro Calculator
Daily protein, carbs, and fat targets based on your goal — fat loss, maintenance, or muscle gain.
Calculate MacrosAsian BMI Calculator
BMI thresholds adjusted for Asian adults — overweight at 23, obese at 27.5.
Calculate Asian BMIKids BMI Calculator
Child BMI using CDC percentile charts for boys and girls aged 2–17.
Calculate Child BMIWaist-to-Height Ratio
A more accurate predictor of metabolic risk than BMI. Keep your waist under half your height.
Calculate WHtRBMI Calculator
Find out if your weight is in a healthy range for your height. Instant results, metric & imperial.
Calculate BMIAsian BMI Calculator
BMI thresholds adjusted for Asian adults — overweight starts at 23, obese at 27.5. More accurate for Asian populations.
Calculate Asian BMIKids BMI Calculator
Child BMI using CDC percentile charts for boys and girls aged 2–17. Not the same as adult BMI.
Calculate Child BMIWaist-to-Height Ratio
A more accurate predictor of metabolic risk than BMI. Aim to keep your waist under half your height.
Calculate WHtRCalorie Calculator
Estimate your daily calorie needs based on your age, weight, height, and activity level.
Calculate CaloriesCalorie Deficit Calculator
Set your goal weight and rate of loss — get your daily calorie target and estimated time to reach it.
Calculate DeficitMacro Calculator
Daily protein, carbs, and fat targets based on your goal — fat loss, maintenance, or muscle gain.
Calculate MacrosWhat's your main health goal?
Health Guides
Learn & Understand
View all guides →BMI
What Is BMI?
A complete explanation of Body Mass Index — how it's calculated, what it measures, and its limitations.
Read guide →BMI
BMI vs Body Fat %
Which metric matters more for your health? When BMI misleads and when body fat % is essential.
Read guide →BMI
BMI for Asian Women
Why standard BMI ranges don't apply to Asian women — and what thresholds to use instead.
Read guide →Weight Loss
How to Lose 5kg Safely
A realistic, science-based plan — the right calorie deficit, protein targets, and timeline to expect.
Read guide →Nutrition
What to Eat to Lose Weight
No fad diets. The evidence-based foods that make a calorie deficit easier to sustain.
Read guide →Exercise
Cardio vs Weights for Fat Loss
Which burns more fat — cardio or resistance training? The science-based answer might surprise you.
Read guide →Hydration
How Much Water Per Day by Weight
The weight-based formula for daily water intake — with a full chart and adjustments for climate and exercise.
Read guide →BMI
BMI Chart for Men Over 60
Healthy weight ranges, average BMI at this age, and what the numbers mean for older men's health.
Read guide →Weight
Average Weight for a 55-Year-Old Woman
Average weight by height, healthy weight ranges, and what affects weight in your mid-50s.
Read guide →Calories
BMI and Calorie Calculator — How They Work Together
BMI tells you where you are. A calorie calculator tells you how to get to your goal. Here's how to use both.
Read guide →Seniors
Healthy Weight for Seniors
BMI ranges, healthy weight by height, and what actually matters for men and women over 60.
Read guide →About This Site
Accurate Health Tools, Free for Everyone
HealthyBMICheck.com provides free, evidence-based health calculators to help you understand your body and make informed decisions about your health. All calculators are built on established scientific formulas used by healthcare professionals and researchers worldwide.
Our BMI Calculator uses the World Health Organization's standard classification system. The Calorie Calculator is based on the Mifflin-St Jeor equation, the formula most widely recommended by dietitians for estimating daily energy needs. The Body Fat Calculator uses the U.S. Navy circumference method, and the Ideal Weight Calculator combines four peer-reviewed formulas — Devine, Robinson, Miller, and Hamwi — to provide a balanced estimate.
All calculations are performed locally in your browser. No personal data is collected or stored. Results are provided for general informational purposes and do not constitute medical advice. If you have specific health concerns, please consult a qualified healthcare professional.
References: World Health Organization (WHO) obesity guidelines · Mifflin MD et al., Am J Clin Nutr 1990 · Hodgdon & Beckett, U.S. Navy body fat method 1984 · Devine BJ, Drug Intelligence and Clinical Pharmacy 1974.
Browse by Height
Healthy Weight for Your Height
Find the healthy weight range for your specific height — based on BMI guidelines and four ideal weight formulas.
Browse by Age
Healthy BMI by Age
Healthy BMI ranges and age-specific health guidance for adults aged 20–65, for both men and women.