BMI calculator helps you determine your Body Mass Index (BMI) based on your height, weight, age, and gender. Choose your preferred units (Metric or Imperial) and see a detailed breakdown of your BMI category and related health risks. _Website not available. Sign in: https://www.twine.net/signup_…BMI calculator helps you determine your Body Mass Index (BMI) based on your height, weight, age, and gender. Choose your preferred units (Metric or Imperial) and see a detailed breakdown of your BMI category and related health risks. _Website not available. Sign in: https://www.twine.net/signup_WWWW…