The ideal weight for a 14-year-old child with a 5-foot height would be approximately 85.98 pounds for a male child and 93.03 pounds for a female, according to HealthStatus.com's ideal weight calculator. HealthStatus.com also provides users with a body fat calculator, which helps aid in body analysis.
The early teen years often manifest in weight fluctuation in children. Puberty can heighten weight gain in girls and boys, as well as increase water retention. Childhood obesity is a growing problem, with rates of obesity in kids tripling since 1980, reports About.com. Proper monitoring of a child's weight is imperative to his overall health and development.