# BMI Health Checker > Free, evidence-based health calculators and educational content for understanding body metrics. ## About BMI Health Checker (bmihealthchecker.com) is a health education platform providing free calculators for Body Mass Index, body fat percentage, daily calorie needs, and ideal weight. The site combines interactive tools with expert-written articles, a community forum, and user accounts for tracking health progress over time. ## Calculators - [BMI Calculator](https://bmihealthchecker.com/): Calculate your Body Mass Index using height and weight. Supports metric (kg/cm) and imperial (lbs/ft) units. Formula: BMI = weight(kg) / height(m)². - [Body Fat Calculator](https://bmihealthchecker.com/body-fat-calculator): Estimate body fat percentage using the US Navy circumference method. Requires height, waist, neck (and hip for women). - [Calorie Calculator](https://bmihealthchecker.com/calorie-calculator): Calculate Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) using the Mifflin-St Jeor equation. Provides targets for weight loss, maintenance, and gain. - [Ideal Weight Calculator](https://bmihealthchecker.com/ideal-weight-calculator): Determine ideal body weight using four scientific formulas: Robinson (1983), Miller (1983), Devine (1974), and Hamwi (1964). - [BMI Chart](https://bmihealthchecker.com/bmi-chart): Visual reference chart showing healthy weight ranges by height across all BMI categories. ## Health Guides - [Heart Health Guide](https://bmihealthchecker.com/heart-health-guide): Comprehensive guide on the relationship between BMI and cardiovascular health. - [How to Use Our Calculators](https://bmihealthchecker.com/how-to-use): Step-by-step measurement and usage instructions. - [Understanding Your Results](https://bmihealthchecker.com/understanding-results): Interpreting BMI, body fat, calorie, and ideal weight results. ## Articles ### BMI Basics - [What Is BMI?](https://bmihealthchecker.com/articles/what-is-bmi): Complete guide to Body Mass Index — calculation, categories, limitations. - [How to Calculate BMI](https://bmihealthchecker.com/articles/how-to-calculate-bmi): Step-by-step BMI formula in kg/lbs with worked examples. - [BMI Ranges Explained](https://bmihealthchecker.com/articles/bmi-ranges-explained): What BMI values 18–40+ mean for your health. - [BMI Chart for Women](https://bmihealthchecker.com/articles/bmi-chart-women): Complete BMI chart with healthy ranges by age and height for women. - [BMI Calculator UK/NHS](https://bmihealthchecker.com/articles/bmi-calculator-uk-nhs): NHS-standard BMI check with UK health guidelines. - [BMI for Older Adults](https://bmihealthchecker.com/articles/bmi-for-older-adults): Why BMI guidelines change for adults over 65. - [Height and Weight Visualizer](https://bmihealthchecker.com/articles/height-weight-visualizer-guide): See what different BMI values look like on different body types. - [BMI 28: What It Means](https://bmihealthchecker.com/articles/bmi-28-what-it-means): What a BMI of 28 means for your health and practical steps to improve. - [BMI Visualizer for Women](https://bmihealthchecker.com/articles/bmi-visualizer-female): Visual BMI comparison tool for women — body shape by BMI category. ### Health Metrics - [BMI vs Body Fat Percentage](https://bmihealthchecker.com/articles/bmi-vs-body-fat): Comparing BMI and body fat as health metrics. - [Adjusted Body Weight](https://bmihealthchecker.com/articles/adjusted-body-weight-calculator): Formula, calculator, and clinical applications for adjusted body weight. ### Weight Management - [Healthy Weight Ranges](https://bmihealthchecker.com/articles/healthy-weight-ranges): Weight ranges by age and height with expert recommendations. - [Ideal Weight by Height and Gender](https://bmihealthchecker.com/articles/ideal-weight-by-height-and-gender): Complete charts using Robinson, Miller, Devine, and Hamwi formulas. - [Ideal Weight for Women 5'0"–5'5"](https://bmihealthchecker.com/articles/ideal-weight-5-foot-female): Detailed weight charts for shorter women by height. - [Height and Weight Chart](https://bmihealthchecker.com/articles/height-weight-chart): Healthy ranges for adult men and women by height. - [How to Check Weight Without a Scale](https://bmihealthchecker.com/articles/check-weight-without-scale): 8 reliable methods to estimate your weight. - [Weight Loss Measurement Guide](https://bmihealthchecker.com/articles/weight-loss-measurement-guide): Beyond the scale — body measurements, photos, and tracking. - [Weight Loss Percentage Formula](https://bmihealthchecker.com/articles/weight-loss-percentage-formula): How to calculate your weight loss percentage. - [Body Type Guide for Weight Loss](https://bmihealthchecker.com/articles/body-type-weight-loss-guide): Ectomorph, mesomorph, and endomorph strategies. - [Body Measurement Tracking Guide](https://bmihealthchecker.com/articles/body-measurement-tracking-guide): How to track body measurements for weight loss and fitness progress. - [How to Check Weight Without a Scale](https://bmihealthchecker.com/articles/weigh-yourself-without-scale): Practical methods to monitor weight without stepping on a scale. ### Obesity & Health Conditions - [Morbidly Obese BMI](https://bmihealthchecker.com/articles/morbidly-obese-bmi): What BMI is morbidly obese, health risks, and what to do. - [Am I Overweight? Quiz](https://bmihealthchecker.com/articles/am-i-overweight-quiz): Quick self-assessment guide. - [Diabetes and BMI](https://bmihealthchecker.com/articles/diabetes-bmi-connection): How weight affects blood sugar and type 2 diabetes risk. - [Heart Health and BMI](https://bmihealthchecker.com/articles/heart-health-and-bmi): Research on the BMI–cardiovascular health connection. ### Nutrition & Exercise - [How to Reduce Body Fat](https://bmihealthchecker.com/articles/how-to-reduce-body-fat): Science-backed strategies for fat loss while preserving muscle. - [Calories and Weight Loss](https://bmihealthchecker.com/articles/calories-and-weight-loss): Understanding energy balance, BMR, TDEE, and calorie deficits. - [Macros for Weight Loss](https://bmihealthchecker.com/articles/macros-for-weight-loss): Calculating protein, carbs, and fat for your goals. - [Walking for Weight Loss](https://bmihealthchecker.com/articles/walking-for-weight-loss): Steps, calories, and walking plans for fat loss. ### Reference - [Weight Conversion Chart](https://bmihealthchecker.com/articles/weight-conversion-chart-kg-lbs): Complete kg to lbs conversion table. - [KG to LBS Conversion Guide](https://bmihealthchecker.com/articles/kg-to-lbs-conversion-guide): Formula, tables, and quick mental math tricks for converting kilograms to pounds. - [Feet to CM Conversion](https://bmihealthchecker.com/articles/feet-to-cm-conversion): Height conversion charts and calculator for feet/inches to centimetres. - [Mass vs Weight Explained](https://bmihealthchecker.com/articles/mass-vs-weight-explained): Scientific difference between mass and weight, units, and health relevance. - [Best Scales for Body Weight](https://bmihealthchecker.com/articles/best-body-weight-scales): Buying guide comparing mechanical, digital, and smart body weight scales. ## Community - [Community Forum](https://bmihealthchecker.com/community): Discussion categories covering general health, weight management, nutrition, exercise, success stories, and Q&A support. ## API & Embeds - [Embed Calculator](https://bmihealthchecker.com/embed-calculator): Lightweight, iframe-embeddable BMI calculator for third-party websites. ## Optional - [Full documentation](https://bmihealthchecker.com/llms-full.txt)