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Baby Nutrition Calculator

Every child is unique — and so are their nutritional needs. Use our baby nutrition calculator to find the right daily calorie, protein, and nutrient requirements for your child based on their age, gender, and activity level.

Calculate Daily Nutritional Needs

1 year 8 years 17 years
kg

Ready to Calculate?

Fill in your child's details on the left and click "Calculate Nutritional Needs" to see their daily requirements.

Why Does Childhood Nutrition Matter?

What a child eats in their early years is crucial. Because it does not just fill their stomach — it builds their brain, their bones, and their immune system. From the moment a baby moves to solid foods, every meal becomes an opportunity to support their growth. Baby food nutrition plays a direct role in how well a child thinks, how strong their body becomes, and how effectively they fight off illness.

Unlike adults, children's nutrient requirements shift constantly as they grow. What a toddler needs looks nothing like what a school-going child or a teenager needs. Staying ahead of these changes is what helps parents make genuinely informed choices, not just about meals, but about their child's long-term health.

Age-Wise Nutrition Guide

Nutritional requirements change as your child grows. Here is a general guide based on age groups:

1-3

Toddlers (1–3 years)

Toddlers need approximately 1,000–1,400 calories per day. At this stage, focus on introducing a wide variety of foods to establish healthy eating habits.

1,000–1,400

kcal/day

13g

Protein

500mg

Calcium

7mg

Iron

4-6

Pre-schoolers (4–6 years)

Children in this age group need 1,200–1,600 calories per day. Encourage balanced meals with proteins, grains, fruits, vegetables, and dairy.

1,200–1,600

kcal/day

20g

Protein

600mg

Calcium

10mg

Iron

7-12

School-age Children (7–12 years)

School-going children require 1,600–2,200 calories daily depending on activity. This is a critical period for bone density and cognitive development.

1,600–2,200

kcal/day

28–34g

Protein

800mg

Calcium

15mg

Iron

13+

Teenagers (13–17 years)

Teenagers undergoing rapid growth need 2,000–2,800+ calories daily. Protein, calcium, and iron are especially important during puberty.

2,000–2,800

kcal/day

46–52g

Protein

1,300mg

Calcium

15–18mg

Iron

When Should You Consult a Paediatric Nutritionist?

While this calculator provides a helpful overview, there are situations when professional guidance is essential:

Your child is a very fussy eater and refuses entire food groups
Your child is significantly underweight or overweight for their age
Your child has food allergies or intolerances that limit their diet
You suspect iron deficiency, vitamin D deficiency, or anaemia
Your child is on a restricted diet (vegetarian, vegan, or medical)
Your child frequently feels fatigued, has poor concentration, or gets sick often

At Motherhood Children's Hospital, our paediatric nutritionists work with families to create personalised meal plans that ensure every child gets exactly what they need — at every stage of their growth.

Need Expert Nutrition Advice?

Our paediatric nutritionists can create a personalised baby nutrition tracker and meal plan for your child — built around their specific age, needs, and food preferences.

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