Free Online Health & Fitness Calculators
6 free Health & Fitness Calculators with documented formulas and assumptions. Results are estimates and do not replace professional advice where noted.
Health & Fitness (6)
BMI Calculator
Calculate your Body Mass Index and see its WHO weight category.
BMR Calculator
Calculate your Basal Metabolic Rate using the Mifflin-St Jeor equation.
Calorie Calculator
Estimate daily calorie needs for maintenance, weight loss, or weight gain.
Ideal Weight Calculator
Estimate ideal body weight using the Devine formula.
Body Fat Calculator
Estimate body fat percentage using the US Navy circumference method.
Weather Heat Index Calculator
Calculate the perceived outdoor temperature considering humidity.