2025-08-04 00:00:00 Calculate BMI and find ideal body now BMI Calculator - Ideal Body Weight is the right app for people who are trying to lose/gain weight, reduce body fat, or want to track their body index to stay in good health. BMI reflects your body index through height and weight. A high BMI can indicate high body fat. BMI indicates your current health status, but it does not diagnose body fat or an individual's health.