Calorie Counting Guide: Intake for Muscle & Weight Loss

Determining how many calories you need depends on your fitness goals, whether you are a marathon runner or a weightlifter. Use intake formulas to calculate your needs for muscle gain or sustainable weight loss.

Group of teenagers smiling in a restaurant

How Many Daily Calories Does a 16-Year-Old Need?

Published Jul,08 2011 | By Lara Winston

The recommended daily intake of calories for a 16-year-old is dependent upon gender and level of activity. Teenagers need a higher number of calories as they grow, an adolescent should not be placed on a restrictive diet without consulting a medical professional first.