# How much does one medium onion weigh

In this brief guide, we are going to answer the question “how much does one medium onion weigh” with an in-depth analysis of the weight of onions of different sizes. Moreover, we are going to discuss the USDA grading system for the onions and the health benefits of the onions.

So if it has happened to you that after watching your favorite cooking show, you want to make the exact same recipe but are confused about the terms like “A pinch of salt” or “One medium size diced onion”, then you need not worry as we are here to resolve this issue of yours and will tell you in detail that “How much does one medium onion weigh”.

So without much ado, let’s dive in and figure out more about it.

## How much does one medium onion weigh?

One medium onion roughly weighs about 5 to 8 ounces. The average weight of a medium onion is somewhat 6 ounces commonly. So the next time the chef directs you to use one medium onion in your recipe you will surely know how much you should use.

## How much does one small onion weigh?

A small onion weighs 5 ounces or less than that. Mostly it weighs about 4 ounces.

## How much does one large onion weigh?

One large onion mostly weighs about 8 to 12 ounces with 10 ounces as the average weight of one large onion.

## How much does one extra-large onion weigh?

Extra-large onion as the name implies weighs the most. It weighs about 12 ounces or more.

## Which size onions are most commonly available?

The onions that we buy from the supermarket are mostly medium onions or extra-large onions.

## Other FAQs about Onions which you may be interested in.

Does onion have sugar

How to tell if an onion is bad?

Are onions poisonous the next day?

## What are the USDA standards for grading onions?

USDA has a grading system that keeps in consideration the size of the onion rather than its weight.

According to USDA standards, the diameters of different kinds of onions are characterized as follows

### Small

The onions categorized under the category of small have their diameter lying somewhere between 1 to 2.25 inches.

### Repacker

The onions categorized as the repacker are the ones having their diameter lying somewhere in between 1.75 to 3 inches.

### Medium

The onions categorized as the medium are the ones having their diameter lying somewhere in between 2 to 3.25 inches.

### Large

The onions categorized as large are the ones having their diameter as 3 inches or more.

### Colossal

The onions categorized as colossal are the ones having their diameter as 3.75 inches or more.

You can read more about the USDA onion grading system here.

## What is the nutritional profile of onion?

Onion is a low caloric food and with 100 grams of an onion having only 40 calories. When we talk about its nutritional profile, an onion has 9% carbohydrates, 1.7% dietary fiber and 89% water which means that the majority of the onion is constituted only by water and that is why it is so low in calories. Its fat content is so low that 100 grams of onions have just 0.1 grams of fat. All of these figures point out in the direction that you should make onions a part of your daily dietary regime, be it in the form of raw salad or something else, that entirely depends upon your choice.

Moreover, onion is also a good source of many vitamins and minerals including vitamin B6, Folate, Vitamin C, and potassium.

## What are the health benefits of onions?

### Blood sugar regulation

Onions can regulate blood sugar levels therefore there has been shown the positive impact of consumption of onion on type-1 and type-2 diabetes.

### Improve bone health

Many studies have pointed out the positive impact of onion on bone health. It has been seen that onions not only decrease the rate of bone deterioration but also helps in the formation of new bone mass.

Osteoporosis is a serious health problem especially in post-menopausal women therefore it is recommended to eat onions to improve your bone health.

### Reducing the risk of cancer

Observational studies have shown that onion helps in lowering the risk of many types of cancer including breast, prostate, colon, and stomach cancer.

### Improve heart health

Onion contains an important antioxidant flavonoid, Quercetin, that helps to improve heart health and keeps heart diseases at bay. Quercetin also plays a role in lowering blood pressure.

### Prevents blood clotting

The sulfur-containing compound, thiosulfinates not only prevents blood clotting but also inhibits the growth of microorganisms in the body.

## Conclusion

In this brief guide, we answered the question “how much does one medium onion weigh” with an in-depth analysis of the weight of onions of different sizes. Moreover, we discussed the USDA grading system for the onions and the health benefits of the onions.

## Citations

https://www.healthline.com/nutrition/foods/onions

### Mahnoor Asghar

Mahnoor Asghar is a Clinical Nutritionist with a bachelor's degree in Nutrition and Dietetics. She is compassionate and dedicated to playing her part in the well-being of the masses. She wants to play a fruitful role in creating nutrition and health-related awareness among the general public. Additionally, she has a keen eye for detail and loves to create content related to food, nutrition, health, and wellness.