Health
Health and fitness calculators
Last updated September 5, 2026
This is where CloudCalcApp's health and fitness calculators live: BMI, BMR, daily calorie needs (TDEE), body fat percentage, and ideal weight. Each one takes your own numbers - weight, height, age, and gender - and gives an instant result with the formula and the reasoning behind it, not just a bare number.
They're built to work together: BMI and Body Fat both describe your current body composition from two different angles, BMR and the Calorie Calculator turn that into a daily energy target, and Ideal Weight gives you a reference point to compare against. Start with whichever question you have - every result links to the others that naturally follow from it.
Energy & Nutrition
How much energy do I need or consume?
BMR Calculator
Energy & NutritionCalculate your Basal Metabolic Rate (BMR) with the Mifflin-St Jeor equation - the calories you burn at rest - then see your daily needs by activity level.
Calorie Calculator
Energy & NutritionFind how many calories you should eat per day to lose, maintain, or gain weight. Free TDEE calculator using the Mifflin-St Jeor equation.