What Is the Average Height and Weight for a 7th Grader? (2024)

This informative guide will tell you the average 7th grader height and the average 7th grader weight so that you can gauge how much a seventh grader should weigh and how tall they should be.

It is important to know the average height and weight of a 7th grader. The average height and weight for a 7th grader can vary depending on a number of factors, including genetics, ethnicity, and overall health.

Let’s dive into it!!

See More Height and Grade Guides:

  • What is the average height of a girl?
  • What’s the average height for a boy?
  • What is the average height of a 1st grader?
  • What is the average height of a 2nd grader?
  • What is the average height of a 3rd grader?
  • What is the average height of a 4th grader?
  • What is the average height of a 5th grader?
  • What is the average height of a 6th grader?
  • What is the average height of an 8th grader?
  • What is the average height of a 9th grader?
  • What is the average height of a 10th grader?
  • What is the average height of an 11th grader?
  • What is the average height of a 12th grader?

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What is the average height of a 7th grader?

What Is the Average Height and Weight for a 7th Grader? (1)

What is the average height for a 7th grader? According to US measurement data, the average height of a 7th grader boy and girl is 5 foot 1 inch tall.

During 7th grade, most boys and girls are roughly the same height, and there’s a good chance that some girls may actually be taller than their male peers.

This is because many girls have already begun puberty by the time they reach seventh grade whereas, on the contrary, many boys are only just starting to experience puberty during seventh grade.

Since the previous grade, both 7th-grade boys and 7th-grade girls will, on average, have gained around 2 inches of height.

Between grades seven and eight, however, boys will typically get around 3 inches taller, whereas girls will only get around an inch taller. The period between the 7th and 8th grades is commonly a period of rapid physical development for boys.

What is the average weight for a 7th grader?

What Is the Average Height and Weight for a 7th Grader? (2)

What is the average weight for a 7th grader? Based on the weights of hundreds of American seventh graders, the average weight of a 7th grader is 107.8 pounds for 7th-grade boys and 116.9 pounds for 7th-grade girls.

So, during 7th grade, girls are, on average, 9 lbs heavier than boys despite being the same height. This may be because 7th-grade boys have not yet accumulated significant amounts of muscle mass, although this will likely change the following year.

Indeed, between grades 7 and 8, boys will typically gain around 25 lbs of body weight, whereas girls will only put on an additional 9 lbs of body mass.

After grade 7, the height and weight trend for males and females tend to reverse; boys become both taller and heavier than their female peers. This is because their bones are lengthening, and their muscles are growing at a very fast rate.

What is the average weight of a 7th-grade boy?

According to the Centers for Disease Control and Prevention (CDC), the average weight for a 12-year-old boy (typical age for 7th grade) is around 90 pounds.

However, it is important to note that there is a wide range of normal weights for children at this age. Some boys may weigh significantly more or less than the average, and that is perfectly normal.

What is the average weight of a 7th grader girl?

In the same way, the average weight for a 12-year-old girl (typical age for 7th grade) is around 80 pounds. It is also important to note that there is a wide range of normal weights for children at this age. Some girls may weigh significantly more or less than the average, and that is perfectly normal.

How much should a 7th grader weigh to be healthy?

What Is the Average Height and Weight for a 7th Grader? (3)

Now that you know the average weight for a 7th-grade girl and a 7th-grade boy, you might be asking yourself: Can a 7th-grader weigh more than average and still be healthy?

The answer to that question is a resounding yes.

Although health isn’t just about the numbers on the scale, research shows that seventh graders with a healthy weight and good cardiorespiratory fitness levels are more likely to achieve academically than their overweight and sedentary peers.

However, weighing slightly more than normal doesn’t mean that a 7th grader is overweight, especially not if they’re taller than average as well.

During puberty, height and weight always increase together. So it’s perfectly normal for some children to weigh a lot more than others if they’re taller or just happen to have a larger bone structure.

Why does 7th grader height vary so much?

What Is the Average Height and Weight for a 7th Grader? (4)

The short answer is genetics.

In any class, there are bound to be some tall children and some short kids. However, most students tend to fall somewhere in between the tall and short categories.

Additionally, since children (even those of the same gender) can often begin puberty at different ages, some children will naturally have grown much taller than others.

Similarly, if two children are in the same grade but one of them has an early birthday while the other has a very late birthday, then the child with the early birthday will most likely be taller than their younger classmate purely because they’ve had months more opportunity to grow.

This isn’t, of course, to say that short 7th graders can’t catch up to their taller peers. Indeed, those who begin puberty later may also continue to grow for longer.

And since the period between grades 7 and 8 is usually a crucial one for physical development—especially for males—many children can look radically different in the space of a year.

How old are 7th graders in the USA?

How old are 7th graders in the USA? In America, 7th graders are between the ages of 12 and 13. The precise age—whether they’re twelve or thirteen—depends on their birthday.

In British schooling, grade seven is equal to year 8, which is a child’s second year of secondary education. In general, to convert US and UK school years, you just add one to the US grade number to get the UK year number.

Conclusion: Why is knowing the average 7th Grader’s height and weight useful?

The average 7th grader’s height and weight are more than just trivial facts that will satisfy your curiosity.

Indeed, knowing the average height of a 7th grader, for example, can help you assess your child’s physical development so that you can make sure that they’re growing properly.

Additionally, since seventh graders with greater aerobic fitness levels tend to achieve better academically than more sedentary children (better fitness usually correlates with healthy body weight), knowing the average weight for a 7th grader is also important.

So, while some seventh graders will naturally be taller or shorter or heavier or lighter than their peers, these averages are useful for understanding what a typical 7th grader looks like.

References

  1. Grades 7-9: Tips for Supporting Learning at Home. Child Mind Institute. https://childmind.org/article/grades-7-9-tips-for-supporting-learning-at-home/
  2. Sardinha, L. B., Marques, A., Martins, S., Palmeira, A., & Minderico, C. (2014). Fitness, fatness, and academic performance in seventh-grade elementary school students.BMC pediatrics,14, 176. https://doi.org/10.1186/1471-2431-14-176
  3. Wittberg, R. A., Northrup, K. L., & Cottrell, L. A. (2012). Children’s aerobic fitness and academic achievement: a longitudinal examination of students during their fifth and seventh grade years.American journal of public health,102(12), 2303–2307. https://doi.org/10.2105/AJPH.2011.300515
What Is the Average Height and Weight for a 7th Grader? (2024)

FAQs

What is an average height for a 7th grader? ›

Summary. The average height of a 7th grader in the United States is around 61 inches. Boys tend to be taller than girls in 7th grade with an average height of 61.7 inches compared to 60.5 inches for girls.

What is a normal weight for a 7th grader? ›

The average weight of a 7th grader is supposed to be 95-105. Perhaps, it really, really and really depends on your sex, age and the food you eat. For girls that are aged 12 to 13 in 7th grade, their average should be 95 to 108...

What is the average weight for a 12 year old? ›

The averages for 12-year-olds are 89 pounds, for males, and 92 pounds, for females. However, beyond biological sex, many other factors influence someone's weight at this age, including their height, body composition, the onset of puberty, environmental factors, and underlying health issues.

What is the average weight for a 13 year old? ›

According to the Centers for Disease Control and Prevention (CDC), most 13-year-old females weigh around 76–148 pounds (lb), and most 13-year-old males weigh between 75 and 145 lb, but this can vary widely. The CDC have set guidelines for healthy weight and body mass index (BMI) in children.

Is 7 feet tall for a 13-year-old? ›

Expert-Verified Answer. A 13-year-old boy's average height is approximately 5'1" to 5'5" (155 to 165 cm), while a 13-year-old girl's average height is around 5'3" to 5'7". (160 to 170 cm).

Is 5 7 to tall for a 12 year old? ›

Is 5'7 tall for a 12 year old boy? Yes, for a twelve years old this is even HUGE.

Is 70 pounds normal for a 7 year old? ›

At 7, a boy typically weighs between 40 to 72 pounds, whereas girls usually weigh between 39 to 74 pounds. By 9, typical weights for boys are between 49 and 95 pounds, whereas girls usually weigh between 48 to 98 pounds.

How old is a 7th grader? ›

In the United States, the standard age for students entering the 7th grade is usually 12 years old. By the end of their 7th-grade year, most students are 13 years old. This age can vary slightly depending on the child's birth date and the cut-off dates for school entry in their specific state or district.

What time should a 7th grader go to bed? ›

3-5 years old: should go to sleep between 7:00 and 8:00 pm. 6-12 years old: should go to sleep between 7:30 and 8:30 pm. 13-18 years old: should go to sleep around 10:00 pm. Bare in mind that once puberty hits, it will be difficult for teenagers to fall asleep until around 11 pm.

Is it normal for a 12-year-old to have belly fat? ›

Noticeable weight gain may occur prior to a growth spurt as excess fat helps promote growth. As a child goes through puberty, their stores of body fat may change. For example, girls tend to gain more fatty tissue in the hips, thighs and buttocks, while boys may have an increase in fat on their stomachs.

Is 72 pounds good for a 12-year-old? ›

According to the Centers for Disease Control and Prevention (CDC) , a 12-year-old boy's weight usually falls between 67 and 130 pounds, and the 50th percentile weight for boys is 89 pounds.

How tall should a 13 year old girl be? ›

Average Height and Weight According to Age
MaleFemale
Age (year)Height (cm)Height (cm)
13156157
14163160
15169162
16 more rows

What's a normal bra size for a 13-year-old? ›

Bra sizes
Clothes Sizing AgeBra size
Age 9N/A
Age 10 - 1130A /30B
Age 12-1332A / 32B
Age 14-1534A/34B
Aug 9, 2023

Is 98 pounds healthy for a 13-year-old? ›

The average weight for a 13-year-old boy is between 75 and 145 pounds, while the average for a 13-year-old girl is between 76 and 148 pounds. A child's weight can depend on unique factors. For boys, the 50th percentile of weight is 100 pounds. For girls, the 50th percentile is 101 pounds.

What is the heaviest 12 year old? ›

A 12-year-old boy, named Arya Permana, was once deemed the world's fattest child. The boy from West Java, Indonesia, weighed about 30 stone (190.5 kg), at the age of 10, so heavy that he couldn't walk or play with his friends.

How tall is the average 13-year-old? ›

Genetics, Nutrition, and More! The average height of a 13-year-old girl is around 5 feet. The average height of a 13-year-old boy is around 5 feet 2 inches. Cultural factors may influence perceptions of ideal height and impact children's self-esteem during the growing years.

How tall is the average 12 year old? ›

What is considered a normal growth rate?
AgeHeight - FemalesHeight - Males
1255 to 64 inches54 to 63.5 inches
1459 to 67.5 inches59 to 69.5 inches
1660 to 68 inches63 to 73 inches
1860 to 68.5 inches65 to 74 inches
7 more rows

How tall is an 8th grader? ›

That truly depends on a few factors but. Average female height is probably somewhere around 5′4-5′5 while males would be around 5′7-5-9. The average height of an eighth grader is from 5′2–5′3 but it's no specific height. It's okay if your shorter or taller but if you are below 5 feet you are short.

What is the average height of a year 7? ›

Average Height and Weight According to Age
MaleFemale
Age (year)Height (cm)Height (cm)
5110109
6116115
7122121
16 more rows

References

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