Calculate BMI, ideal weight, BMR and daily calorie needs
Calculate basal metabolic rate, daily calorie burn and nutrient needs
Calculate body fat percentage, lean mass and fat mass
Calculate your ideal weight range using multiple scientific formulas
Calculate exact age, days lived and various time statistics
Convert your dog's age to human years based on size
Convert your cat's age to human years
Predict period dates, ovulation and fertile window
Calculate your Sun, Moon, and Rising signs based on birth date and time
ZZTool