Health

Blood type calculator to estimate a child’s possible ABO and Rh blood types from the mother’s and father’s blood types.

FFMI calculator to estimate fat-free mass index and normalized FFMI from weight, height, and body fat percentage in seconds.

Child height percentile calculator to estimate height percentile by age, sex, and length or height using WHO growth data.

Adjusted body weight calculator to estimate IBW and AjBW from sex, height, and actual body weight using a clear, fast clinical formula.

IQ percentile calculator to convert an IQ score into percentile rank using standard deviation 15 or 16.

Free ideal weight calculator using the Devine formula. Enter your height and weight to find your ideal body weight in kg and lb instantly.

Child Height Predictor to estimate a child’s adult height using parent height, age, sex, weight, and current height in one easy calculator.

Body fat calculator to estimate body fat percentage using U.S. Navy and BMI-based methods from your body measurements.

Lean Body Mass Calculator helps you estimate your fat-free body weight using height, weight, and body composition inputs.

Free face shape calculator using forehead, cheekbones, jawline and face length to classify your face as oval, round, square, heart or diamond.