The content provides a comprehensive guide to children’s weight by age, outlining the expected weight ranges and minimum cutoff limits for each age group from birth to 18 years old.
It emphasizes the importance of monitoring children’s weight and consulting a doctor if their weight falls below the specified cutoff limits, indicating underweight status.
The summary highlights the significance of timely intervention to address any concerns regarding children’s weight and ensure their healthy growth and development.
Many parents want to know whether their child’s weight is appropriate for their age or not. Today, I’m going to share information with you about values related to weight.
You can check your child’s weight at home to determine if it falls within a specific range suitable for their age. Is your child’s weight falling within the expected range for a particular age group? And what is the cutoff limit? If your child’s weight is below this limit, it’s necessary to consult a doctor to understand the reasons. Let’s discuss the weight and cutoff limits for children according to their age.
Ideal Babies Weight by Age in KG
| Age (Years) | Boys’ Weight (kg) | Girls’ Weight (kg) | Underweight Threshold for Boys (kg) | Underweight Threshold for Girls (kg) |
|---|---|---|---|---|
| Birth | 2.5 – 3.5 | 2.5 – 3.5 | – | – |
| 3 months | 6.5 | 6.0 | 4.8 | 4.5 |
| 6 months | 7.9 | 7.5 | 6.4 | 5.8 |
| 9 months | 8.9 | 8.5 | 7.5 | 7.0 |
| 12 months | 9.66 | 9.2 | 8.7 | 8.0 |
| 15 months | 10.3 | 10.0 | 9.5 | 9.0 |
| 18 months | 10.9 | 10.6 | 9.8 | 9.5 |
| 21 months | 11.5 | 11.3 | 10.5 | 10.0 |
| 2 years | 12.4 | 12.0 | 10.8 | 10.4 |
| 4 years | 16.3 | 15.4 | 13.5 | 13.0 |
| 5 years | 18.3 | 17.9 | 15.0 | 14.5 |
| 6 years | 20.6 | 19.9 | 17.0 | 16.0 |
| 7 years | 23.0 | 22.4 | 18.5 | 18.0 |
| 8 years | 25.6 | 25.8 | 20.5 | 20.0 |
| 9 years | 28.5 | 28.0 | 22.5 | 22.0 |
| 10 years | 32.0 | 32.0 | 24.5 | 24.0 |
| 11 years | 35.6 | 36.0 | 27.0 | 28.0 |
| 12 years | 39.9 | 41.0 | 30.0 | 30.0 |
| 13 years | 45.3 | 45.8 | 34.0 | 34.0 |
| 14 years | 50.8 | 47.6 | 38.0 | 37.5 |
| 15 years | 56.0 | 52.0 | 43.0 | 40.5 |
| 16 years | 60.8 | 53.5 | 47.0 | 42.0 |
| 17 years | 64.4 | 54.4 | 50.5 | 44.5 |
| 18 years | 67.0 | 56.7 | 53.0 | 45.0 |
At birth, a baby’s weight typically ranges from 2.5 to 3.5 kg. Premature babies may weigh less than 2.5 kg. If a baby weighs less than 2.5 kg at birth, it indicates premature birth.
Moving forward, at 3 months of age, boys should ideally weigh around 6.5 kg, while girls should weigh around 6 kg, with variations possible. However, boys should not weigh less than 4.8 kg at 3 months; otherwise, they are considered underweight. For girls, weighing less than 4.5 kg at 3 months indicates being underweight.
At 6 months of age, a boy’s weight should be approximately 7.9 kg, and a girl’s weight should be around 7.5 kg on average. Boys weighing less than 6.4 kg and girls weighing less than 5.8 kg at this age are considered underweight.
By 9 months, boys should weigh around 8.9 kg, while girls should weigh approximately 8.5 kg. Falling below 7.5 kg for boys and 7 kg for girls at this age indicates being underweight.
At 12 months, boys’ weight should be close to 9.66 kg, and girls’ weight should be around 9.2 kg. Weighing less than 8.7 kg for boys and 8 kg for girls at this age suggests being underweight.
At 15 months, boys’ weight should be about 10.3 kg, and girls’ weight should be around 10 kg. If boys weigh less than 9.5 kg and girls less than 9 kg at this age, they are considered underweight.
At 18 months, boys’ weight should be approximately 10.9 kg, and girls’ weight should be about 10.6 kg. Falling below 9.8 kg for boys and 9.5 kg for girls at this age indicates being underweight.
At 21 months, boys should weigh around 11.5 kg, and girls should weigh about 11.3 kg. Weighing less than 10.5 kg for boys and 10 kg for girls at this age suggests being underweight.
By 2 years of age, boys should ideally weigh 12.4 kg, while girls should weigh approximately 12 kg on average. Boys weighing less than 10.8 kg and girls weighing less than 10.4 kg at this age are considered underweight.
At 4 years of age, boys should weigh around 16.3 kg, and girls should weigh approximately 15.4 kg. Falling below 13.5 kg for boys and 13 kg for girls at this age indicates being underweight.
At 5 years of age, boys’ weight should be about 18.3 kg, and girls’ weight should be around 17.9 kg. If boys weigh less than 15 kg and girls less than 14.5 kg at this age, they are considered underweight.
At 6 years of age, boys’ weight should be around 20.6 kg on average, while girls’ weight should be approximately 19.9 kg. If boys weigh less than 17 kg and girls less than 16 kg at this age, they fall into the underweight category.
At 7 years of age, boys should weigh approximately 23 kg, and girls should weigh around 22.4 kg. Falling below 18.5 kg for boys and 18 kg for girls at this age indicates being underweight.
By 8 years of age, boys should ideally weigh 25.6 kg, while girls should weigh around 25.8 kg. Boys weighing less than 20.5 kg and girls weighing less than 20 kg at this age are considered underweight.
At 9 years of age, boys’ weight should be about 28.5 kg, and girls’ weight should be around 28 kg. Falling below 22.5 kg for boys and 22 kg for girls at this age indicates being underweight.
At 10 years of age, boys and girls should ideally weigh 32 kg. Falling below 24.5 kg for boys and 24 kg for girls at this age suggests being underweight.
At 11 years of age, boys should weigh approximately 35.6 kg, while girls should weigh around 36 kg. Weighing less than 27 kg for boys and 28 kg for girls at this age indicates being underweight.
By 12 years of age, boys should weigh around 39.9 kg, and girls should weigh approximately 41 kg. Falling below 30 kg for both boys and girls at this age suggests being underweight.
At 13 years of age, boys’ weight should be around 45.3 kg, and girls’ weight should be approximately 45.8 kg. If boys and girls weigh less than 34 kg at this age, they are considered underweight.
At 14 years of age, boys should ideally weigh 50.8 kg, and girls should weigh approximately 47.6 kg. Falling below 38 kg for boys and 37.5 kg for girls at this age indicates being underweight.
At 15 years of age, boys should weigh around 56 kg, and girls should weigh approximately 52 kg. If boys weigh less than 43 kg and girls less than 40.5 kg at this age, they are considered underweight.
By 16 years of age, boys should ideally weigh 60.8 kg, while girls should weigh around 53.5 kg. Falling below 47 kg for boys and 42 kg for girls at this age indicates being underweight.
At 17 years of age, boys should weigh around 64.4 kg, and girls should weigh approximately 54.4 kg. Weighing less than 50.5 kg for boys and 44.5 kg for girls at this age indicates being underweight.
By 18 years of age, boys should ideally weigh around 67 kg, and girls should weigh approximately 56.7 kg. Falling below 53 kg for boys and 45 kg for girls at this age indicates being underweight.
Remember, these parameters are based on average growth charts for children, and the limits I’ve mentioned are minimum cutoff limits. If a child falls into the red zone or shows red flags, immediate consultation with a doctor is necessary, and appropriate treatment should be administered.
Also Read: How to Detect Blood Deficiency in Your Babies
conclusion:
In conclusion, monitoring a child’s weight according to their age is crucial for assessing their growth and development. This comprehensive guide provides weight ranges and minimum cutoff limits for children from birth to 18 years old, enabling parents to gauge whether their child’s weight falls within healthy parameters.
If a child’s weight is below the specified cutoff limits, indicating underweight status, prompt consultation with a doctor is essential to address any potential health concerns and ensure appropriate intervention for their well-being. By actively monitoring and addressing weight-related issues, parents can contribute to their child’s overall health and development.