❤️ Health & Fitness calculators
Free health and fitness calculators: BMI, calories, body fat, ideal weight, pregnancy, water intake, heart rate zones, running pace and more.
15 free tools · no sign-up · formulas explained
BMI & Calorie CalculatorCalculate your Body Mass Index, healthy weight range, basal metabolic rate and daily calorie needs for weight loss, maintenance or gain.Calorie Deficit CalculatorFind how many calories to eat each day to reach your goal weight at a safe, steady pace.Pregnancy Due Date CalculatorEstimate your baby’s due date, how far along you are and the key dates of your pregnancy.BMR CalculatorEstimate how many calories your body burns at rest using the three most widely used BMR equations.Body Fat CalculatorEstimate your body fat percentage from a few tape-measure readings using the US Navy formula.Calories Burned CalculatorEstimate how many calories an activity burns from its MET value, your weight and how long you do it.Heart Rate Zone CalculatorFind your maximum heart rate and the five training zones for your age.Ideal Weight CalculatorSee what the four classic ideal-body-weight formulas and the healthy BMI range say about your height.Macro CalculatorTurn your calorie needs into daily grams of protein, carbohydrates and fat.One Rep Max CalculatorEstimate the most you could lift for a single rep from a set of several reps – no maximal attempt needed.Ovulation CalculatorPredict your most fertile days and next period from your cycle dates.Pace CalculatorConvert a distance and time into pace and speed, or work out your finish time from a target pace.Protein CalculatorWork out your daily protein target in grams from your weight and training goal.Sleep CalculatorTime your bedtime or alarm to the end of a 90-minute sleep cycle.Water Intake CalculatorEstimate your daily water needs from your weight, exercise and climate.