Free health calculators, no login needed. BMI, BMR, calorie counter, body fat percentage, ideal weight, and heart rate zone tools. Check your metrics now.
8 calculators
Calculate your Body Mass Index (BMI) with metric or imperial units and see your healthy weight range.
Calculate your Basal Metabolic Rate using Mifflin-St Jeor and Harris-Benedict equations.
Calculate your Total Daily Energy Expenditure based on BMR and activity level, with calorie goals for any weight target.
Estimate your body fat percentage using the US Navy method or BMI-based estimation.
Calculate your ideal body weight using four scientific formulas: Devine, Robinson, Miller, and Hamwi.
Calculate your daily macronutrient targets (protein, carbs, fat) based on your TDEE and fitness goals.
Calculate your 1RM (one repetition maximum) using Epley, Brzycki, Lander, and other formulas.
Predict your ovulation date, fertile window, and next period based on your cycle length and last period date.
