Health Calculators
BMI, BMR, calorie, body fat, ideal weight, sleep, running pace, ovulation and pregnancy due date calculators.
BMI CalculatorEnter height in cm and weight in kg to get your Body Mass Index, weight category and healthy weight range.BMR & Daily Calorie CalculatorEnter sex, age, height, weight and activity to estimate basal metabolic rate and daily calories to maintain weight.Pregnancy Due Date CalculatorEnter the first day of your last period to estimate your due date, weeks of pregnancy and trimester.Body Fat Calculator (US Navy Method)Estimate body fat percentage from height, neck, waist and hip measurements using the US Navy method.Running Pace CalculatorEnter distance and finish time to get your pace per kilometre and per mile, plus speed in km/h and mph.Weight Loss & Calorie Deficit CalculatorEnter your weight, goal, timeframe and maintenance calories to see the daily calorie deficit you need.Ideal Weight CalculatorSee your ideal body weight by height and sex using four well-known formulas, in kg and lb.Sleep CalculatorFind the best time to go to bed or wake up based on 90-minute sleep cycles, so you wake between cycles.Calorie Calculator (Daily Calorie Needs)Estimate your daily calorie needs from age, sex, height, weight and activity with the Mifflin-St Jeor equation.Ovulation CalculatorEnter your last period and cycle length to estimate your ovulation day, fertile window and next period.Heart Rate Zone CalculatorEstimate your maximum heart rate from age and get five training zones, as a percentage of max or by heart rate reserve.One Rep Max Calculator (1RM)Estimate your 1RM from the weight and reps you lifted using the Epley, Brzycki and Lombardi formulas, with training percentages.Macro Calculator (Protein, Carbs, Fat)Turn a daily calorie target and a protein, carb and fat split into grams of each macronutrient, per day and per meal.Waist-to-Hip Ratio CalculatorEnter your waist and hip measurements to get your WHR and compare it with the WHO risk thresholds.Calories Burned CalculatorEstimate calories burned walking, running, cycling, swimming and more from your weight and time, using MET values.Protein Intake CalculatorEstimate daily protein in grams from your body weight and activity or goal, with grams per meal.Period Calculator (Next Period Date)Enter the first day of your last period and your cycle length to predict your next three periods.Lean Body Mass CalculatorEstimate lean mass and body fat from height and weight with the Boer, James and Hume formulas.Steps to Distance Calculator (Steps to Miles and km)Convert your step count to kilometres and miles using your height, or your own stride length.Child Height Predictor (Adult Height)Estimate your child’s adult height from the parents’ heights using the mid-parental formula.VO2 Max Calculator (Cooper and 1.5-Mile Test)Estimate your VO2 max from the Cooper 12-minute run distance or your 1.5-mile run time.