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23 tools
This free comparison calculator includes a full BAI computation component alongside BMI, using hip circumference and height inputs for BAI. It provides the BAI formula, output ranges, and context notes to help users understand the estimate. The tool is publicly accessible and usable without a required paid plan.
This tool estimates standing height for bedridden patients using bedside measurements such as arm span, knee height, foot length, and ulna length. It is designed for immobile-patient assessment workflows and includes example patient scenarios. The calculator is web-based and directly usable without a required paid plan.
Their weight-loss guide includes an interactive Body Roundness Index calculator with metric and imperial options. Users can enter height and waist (with optional hip measurement) to calculate BRI and view interpretation content. The calculator is available directly on the page with no mandatory payment wall.
This calculator computes Body Surface Area using the Mosteller formula (alongside BMI) from user-entered height and weight. It is designed for clinical point-of-care use and includes citation context. The calculator is offered online without a mandatory paid subscription.
This free ideal weight calculator estimates ideal healthy bodyweight based on age, gender, and height based on several popular formulas.
This free lean body mass (LBM) calculator estimates LBM based on body weight, height, age, and gender. It compares the results of several popular formulas.
This free body fat calculator estimates body fat percentage based on the U.S. Navy Method and the BMI method. It gives the loss needed to reach ideal body fat.
Calculate your body frame size with our free online tool. Get accurate results instantly. No signup required.
The waist-to-hip ratio calculator helps you assess your waist-hip ratio, used as an indicator or measure of health.
Our draw length calculator helps you determine your ideal draw length, ensuring the perfect fit for your archery equipment and improved performance.
The FFMI calculator estimates your fat-free mass index. Use this tool to learn about your body condition and health.
Use the RFM calculator to estimate your body fat mass using only two body measurements – your height and waist circumference.
The adjusted body weight calculator is a tool that helps estimate the weight of active lean body tissue, allowing for precise weight measurements and accurate estimation of nutritional needs.
The Karvonen formula calculator supplies you with your target heart rate for a given exercise intensity.
Use this skinfold body fat calculator to determine your body fat percentage using skinfolds.
Our waist to height ratio calculator helps you estimate your waist-height ratio, used as an indicator of health.
The ABSI calculator predicts the risk of premature death based on your age, sex, height, weight, and waist circumference.
The body shape calculator determines your body type based on bust, waist, and hip measurements.
The ponderal index calculator determines the "improved" BMI measure: check out if your weight is healthy or if you should lose or gain a few pounds.
The face shape calculator will determine your face shape (oval, diamond, square, etc.) using only four facial measurements.
Find out your weight loss as a percentage using Omni's weight loss percentage calculator.
The overweight calculator will tell you whether you are healthy, under- or overweight, and will calculate your BMI and ponderal index.
Use this quiz to check how well you understand FFMI and body composition basics.
