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How Many Calories Should A 12-Year-Old Eat Boys And Girls

How Many Calories Should A 12-Year-Old Eat Boys And Girls


Smart Mom Guide
Updated: Feb 18, 2025

Understanding how many calories a 12-year-old should eat daily can be confusing, especially with so much misinformation about nutrition, dieting, and childhood obesity. Some people say kids should eat more because they’re growing, while others believe they should eat less due to their smaller bodies.

So, what’s the right answer?

According to the Centers for Disease Control and Prevention (CDC):

✔ Boys (12 years old): 1,800 – 2,200 calories per day ✔ Girls (12 years old): 1,600 – 2,000 calories per day

The exact number depends on activity levels, metabolism, growth rate, and lifestyle. Let’s break it down further.

📌 How Many Calories Should a 12-Year-Old Eat Per Day?
📌 How Many Calories Should a 12-Year-Old Eat Per Day?

✔️ For Boys (12 Years Old):

Activity LevelDaily Caloric Needs
Not Active1,800 calories
Moderately Active2,000 calories
Very Active2,200 calories

✔️ For Girls (12 Years Old):

Activity LevelDaily Caloric Needs
Not Active1,600 calories
Moderately Active1,800 calories
Very Active2,000 calories

📌 💡 What Do These Activity Levels Mean?

  • Not Active: Minimal movement outside of daily routines (e.g., school, homework, TV).
  • Moderately Active: 30-60 minutes of moderate exercise daily (e.g., sports, biking, active play).
  • Very Active: 60+ minutes of intense exercise (e.g., competitive sports, daily workouts).
📌 How the Body Uses Calories
📌 How the Body Uses Calories
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Calories aren’t just about weight—they fuel the entire body. Your child needs calories for:

Growth & development (bone, muscle, brain function)

Basic functions (breathing, blood circulation, digestion)

Energy for movement (running, playing, school activities)

1️⃣ Basal Metabolic Rate (BMR) – 50-80% of calories burned

  • This is the energy needed for survival, including breathing, heart function, and cell repair.

2️⃣ Digestion & Nutrient Absorption – 5-10% of calories burned

  • Your body burns energy just by digesting food!

3️⃣ Physical Activity – 20-30% of calories burned

  • Walking, running, sports, and even fidgeting burn calories.

📌 💡 Fun Fact:Did you know your brain alone uses about 20% of your daily calories?

📌 How Many Calories Should a 12-Year-Old Eat to Lose Weight?
📌 How Many Calories Should a 12-Year-Old Eat to Lose Weight?

If a 12-year-old needs to lose weight, they should not drastically cut calories. Instead, focus on healthy eating habits and physical activity.

📌 Safe weight loss tips for 12-year-olds:

Reduce sugary drinks & snacks (Replace soda with water, chips with fruit)

Encourage daily movement (Sports, outdoor play, walking)

Eat balanced meals (Protein, fiber, healthy fats)

Avoid crash diets (Drastic cuts harm metabolism & growth)

⚠️ WARNING:Never cut below 1,400 calories per day for a 12-year-old without medical supervision.

📌 Do Kids Need More Calories to Grow?
📌 Do Kids Need More Calories to Grow?

Yes! Children need extra energy for growth—but it should come from nutrient-rich foods, not junk food.

Why? Growth requires protein, healthy fats, vitamins, and minerals, not just calories.

Balanced meals ensure proper muscle, bone, and brain development.

📌 💡 Pro Tip:Encourage whole foods like eggs, dairy, lean meats, nuts, fruits, and veggies for optimal growth.

📌 Frequently Asked Questions
📌 Frequently Asked Questions

1️⃣ How Many Calories Should a 12-Year-Old Weigh?

Active 12-year-old boys need 2,000 – 2,600 calories/day.

Active 12-year-old girls need 1,800 – 2,200 calories/day.

2️⃣ Should 12-Year-Olds Be Dieting?

No!

✔ Instead, focus on healthy habitsportion control, movement, and balanced meals.

3️⃣ What is Considered Overweight for a 12-Year-Old?

A BMI above the 85th percentile is overweight

A BMI above the 95th percentile is obese

📌 💡 Tip: Check a BMI-for-age growth chart or consult a pediatrician.

4️⃣ How Can I Help My 12-Year-Old Lose Weight Safely?

Swap unhealthy snacks for nutritious ones 🍎🥕

Encourage active hobbies 🏀🎾

Limit screen time & increase movement 🚶‍♂️

📌 Final Thoughts: Healthy Eating for 12-Year-Olds
📌 Final Thoughts: Healthy Eating for 12-Year-Olds

For Boys:1,800 – 2,200 calories/day

For Girls:1,600 – 2,000 calories/day

Focus on:Balanced meals, regular physical activity, and portion control

Avoid:Extreme calorie restrictions or crash diets

🔹 Key Takeaway?

Teach healthy eating habits now to set kids up for lifelong wellness. Instead of counting calories, focus on quality nutrition, movement, and self-care.

Need Personalized Advice?

If you have questions or concerns about your child's nutritional needs, consider an Online Consultation. Get expert guidance tailored to your child’s unique growth and health requirements.


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