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What Is An Ideal Bicep Size According To Gender, Age, And Height?

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If you’ve ever thought about the average size of a bicep for women, men, teens, bodybuilding athletes, and bodybuilders, this arm girth guide is designed for you.

The brachial biceps, commonly called the biceps, is a double-headed muscular skeleton that runs between the shoulder and elbow. While not the most powerful among all your arms muscles (that honor goes to the triceps), Many people are focused on building more prominent and muscular biceps in the fitness center.

If you’re thinking of increasing your weights or including an extra day of arm workout in your workout routine, remember that the size of your biceps is determined by your age, gender, and weight index (BMI). Your height and weight define the measurement of your BMI.

Are you wondering how your measurements compare to others? Let’s examine the size of biceps on average, how to determine it, and what you can do to strengthen your biceps.

The Average Size Of Biceps

The age of your body is one of the most significant factors that affects your bicep muscles and their strength and size. When you are a kid or adolescent, the muscles develop, so their size tends to be smaller. However, as you grow older, they’ll peak in size and slowly become smaller with age.

Keep in mind that your gender affects the size of your biceps. In general, women have lower biceps compared to males. We’ll analyze the average bicep size for both genders based on the person’s age.
Also Read: Crunches Exercise and Its Benefits

The Average Size Of Biceps By Age

The biceps and arm circumference size can change with time. Also, the size of the biceps averages across genders, too.

Here, look at the typical circumferences of middle arms based on age and gender. Remember, this measurement includes the fat and muscles.

In Males

The average bicep size in men is:

Age Biceps Size
80+12.1 inches
70 – 7912.9 inches
60 – 6913.4 inches
50 – 5913.5 inches
40 – 4913.9 inches
30 – 3913.8 inches
20 – 2913.5 inches

In Females

The average bicep size in women is:

AgeBiceps Size
80+11.4 inches
70 – 7912.6 inches
60 – 6912.7 inches
50 – 5912.9 inches
40 – 4912.9 inches
30 – 3912.9 inches
20 – 2912.4 inches
bicep size in women

In Children 

AgeBiceps Size
1912.8 inches
1812.7 inches
1712.2 inches
16 11.8 inches
15 11.7 inches
1411.2 inches
1310.8 inches
129.6 inches
119.6 inches
109.2 inches
98.6 inches
88.2 inches
77.8 inches
67.4 inches
57 inches
46.8 inches
36.6 inches
26.3 inches
16.1 inches
9 – 11 months5.9 inches
6 – 8 months5.9 inches
2 – 5 months5.5 inches

How Do You Measure The Size Of Biceps?

The two methods are how to measure the relaxed and flexed biceps. If you have anyone else measure it for you is easier to take, particularly when you are taking your relaxed measurement. 

To determine your biceps in relax mode:

  1. Make sure you stand straight with your arms relaxed by your sides.
  2. Let someone else place an elastic measuring tape over your biceps. This is the middle point between the top of your arm and the top of your elbow.

To determine your bicep in flexed mode:

  1. You can sit at the table and put your arm on the table’s surface.
  2. Make a fist. Your forearm should be curled towards your shoulder, similar to performing a Bicep Curl by flexing your forearm as hard as possible.
  3. Use the tip of a measuring tape above the top of your biceps. Then, wrap it around your biceps until both ends are in contact to provide you with your measurement.

 The Average Biceps Size By Height

There is a lack of research in studies on bicep size for height because of the evidence that height doesn’t influence the size of the biceps in general.

One of the most important factors influencing your bicep’s size is your BMI, which measures body fat based on height and weight. It isn’t a precise measure, but generally speaking, those with more BMI are likely to have larger biceps.

bicep size for height

But this doesn’t mean that the biceps muscle is larger, as it could have body fat within the region that makes the measurement bigger. In reality, BMI has not considered an accurate measure of strength. The average bicep sizes mentioned in the table above refer to people with average body weights.

Final Thoughts

There are a variety of factors that influence the size of your biceps, some of which are outside of your control. Take the gender or age of your child as an example.

There are ways you can improve that size in your biceps if this is a goal of yours. It can be accomplished by regular resistance training and a healthy diet with lots of protein.

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