BMi What is BMi. Please insert your informaition: Select Gender Male Female Select an activity factor: Little or no Exercise / desk job Light exercise / sports 1 – 3 days/ week Moderate Exercise, sports 3 – 5 days / week Heavy Exercise / sports 6 – 7 days / week Very heavy exercise/ physical job / training 2 x / day Calculate BMI Weight Status Below 18.5 Underweight 18.5 - 24.9 Healthy 25.0 - 29.9 Overweight 30.0 - and Above Obese BMR Metabolic Rate / BMI Body Mass Index