Calculate TDEE for teenagers. Get age-appropriate calorie needs for growth, sports, and healthy development.
Teenagers have higher calorie needs relative to their size because they're still growing. Restrictive dieting during adolescence can impair growth, bone density, and hormonal development. Teen athletes often need 2,500–4,000+ calories/day. The focus should be on nutritious eating rather than calorie restriction.
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If provided, uses the more accurate Katch-McArdle formula
Calorie needs for teenagers vary based on age, weight, height, and activity level. The calculator above gives you a personalized TDEE. As a general range, most teenagers need between 1,600 and 3,200 calories/day for maintenance.
The Mifflin-St Jeor equation used here is the most validated BMR formula for adults. For teenagers, the estimate is a solid starting point — track your weight for 2–3 weeks and adjust up or down based on real results.
Generally, no. Calorie counting can lead to unhealthy relationships with food during a critical developmental period. Teens should focus on eating nutritious whole foods, getting enough protein, and staying active. If weight management is needed, consult a pediatric dietitian.