How Many Calories Are in a Lemon? Nutrition Facts

Lemons are a popular citrus fruit known for their tangy flavor and versatility in various culinary applications. While they are often used for their refreshing taste and as a source of vitamin C, many people wonder how many calories are in a Lemon. This article will explore the nutritional aspects of lemons, including their calorie content and other health benefits.

Understanding Calories in Lemons

Calories are a measure of the energy provided by food. They are essential for our bodies to perform daily functions and activities. When it comes to lemons, the calorie content is relatively low, making them a great addition to a healthy diet without worrying about excessive calorie intake.

How Many Calories Are in a Lemon
How Many Calories Are in a Lemon

How Many Calories Are in a Lemon?

Lemons contain approximately 29 calories per 100 grams. It’s important to note that the average lemon weighs around 58 grams, which means a whole lemon contains approximately 17 calories.

However, it is essential to note that the calorie content may vary slightly based on the size of the lemon. Small lemons usually have fewer calories, while larger ones may have slightly more.

When consuming lemon segments or slices, the calorie count remains relatively low. One medium-sized lemon segment contains about 2-3 calories, making it a negligible addition to your overall calorie intake.

To give you a better understanding of the calorie content in lemons, here’s a table comparing the calorie count of various lemon sizes:

Lemon SizeWeight (g)Calories

Lemon Varieties and Calorie Differences

Lemons come in different varieties, each with its unique characteristics in terms of flavor, size, and appearance. While the nutritional composition of lemons remains relatively consistent across varieties, there may be slight variations in caloric content.

1. Eureka Lemons

Eureka lemons are one of the most widely available varieties of lemons. They have a bright yellow color and a classic sour-tangy flavor. When it comes to caloric content, Eureka lemons are relatively low, similar to other lemon varieties.

On average, a small Eureka lemon (approximately 58 grams) contains about 17 calories, while a medium-sized lemon (approximately 67 grams) contains around 20 calories. A large Eureka lemon (approximately 84 grams) may have about 24 calories.

2. Lisbon Lemons

Lisbon lemons are another common variety known for their tart flavor and vibrant yellow color. They are quite similar to Eureka lemons in terms of nutritional composition and caloric content.

A small Lisbon lemon (approximately 58 grams) contains approximately 17 calories, while a medium-sized lemon (approximately 67 grams) contains around 20 calories. A large Lisbon lemon (approximately 84 grams) may have about 24 calories.

3. Meyer Lemons

Meyer lemons are a sweeter and less acidic variety of lemons. They have a thin, deep yellow to orange skin and a mild, floral flavor. Meyer lemons are slightly different in caloric content compared to Eureka and Lisbon lemons.

A small Meyer lemon (approximately 58 grams) contains about 18 calories, while a medium-sized lemon (approximately 67 grams) contains around 21 calories.

A large Meyer lemon (approximately 84 grams) may have about 26 calories. It’s important to note that the sweetness of Meyer lemons may make them a popular choice for culinary use, but they still provide similar nutritional benefits as other lemon varieties.

4. Femminello Lemons

Femminello lemons, also known as Sorrento lemons, are a popular Italian variety. They are larger and have a bright yellow color with slightly bumpy skin.

Femminello lemons have a tangy and aromatic flavor. In terms of caloric content, they are comparable to other lemon varieties.

A small Femminello lemon (approximately 58 grams) contains about 17 calories, while a medium-sized lemon (approximately 67 grams) contains around 20 calories. A large Femminello lemon (approximately 84 grams) may have about 24 calories.

Lemon Water and Its Calorie Content

Lemon water has gained popularity for its refreshing taste and potential health benefits. When adding lemon to water, the calorie content remains extremely low. The juice of half a lemon in a glass of water adds only about 6 calories.

Drinking lemon water can provide hydration, aid digestion, and enhance detoxification. It is a great alternative to sugary beverages and can be enjoyed throughout the day.

Lemon water can be consumed in various ways, depending on personal preference. Some people prefer warm lemon water in the morning, while others enjoy it chilled with ice. To make lemon water, simply squeeze the juice of half a lemon into a glass of water and stir well.

Comparing Lemons to Other Citrus Fruits
Comparing Lemons to Other Citrus Fruits

Comparing Lemons to Other Citrus Fruits

When it comes to citrus fruits, lemons are often recognized for their distinct flavor and versatility.  Let’s explore and compare lemons to some popular citrus fruits like oranges, limes, and grapefruits.

1. Oranges

Oranges are widely known for their sweet and juicy taste, making them a popular choice for snacking and juicing. They are an excellent source of vitamin C, providing about 88% of the recommended daily intake per 100 grams.

Oranges are also rich in dietary fiber, offering around 2.4 grams per 100 grams. In terms of caloric content, oranges contain approximately 43 calories per 100 grams, making them slightly higher in calories compared to lemons.

2. Limes

Limes have a tangy and sour flavor that adds a refreshing twist to various dishes and beverages. Similar to lemons, limes are also rich in vitamin C, providing about 29% of the recommended daily intake per 100 grams.

Limes are lower in calories compared to oranges, with approximately 30 calories per 100 grams. They are also a good source of dietary fiber, offering around 2.8 grams per 100 grams. Limes are often used in Mexican and Southeast Asian cuisine and are a key ingredient in popular beverages like margaritas.

3. Grapefruits

Grapefruits are known for their unique taste, which can range from sweet to slightly bitter. They are rich in vitamin C, providing about 33% of the recommended daily intake per 100 grams.

Grapefruits are also a good source of dietary fiber, offering around 2 grams per 100 grams. In terms of caloric content, grapefruits contain approximately 42 calories per 100 grams, similar to oranges. They are often enjoyed as a refreshing breakfast fruit or incorporated into salads and desserts.

Other Nutritional Profile of Lemons

Apart from their low-calorie content, lemons offer a wealth of nutritional benefits. They are a rich source of vitamin C, providing over 30% of the recommended daily intake in just one medium-sized lemon. Vitamin C is crucial for immune function, collagen synthesis, and iron absorption.

Lemons also contain small amounts of other essential vitamins and minerals, including vitamin B6, folate, potassium, and copper. These nutrients contribute to overall health and well-being.

In addition to vitamins and minerals, lemons are also a good source of dietary fiber. Fiber is important for digestive health and can help promote feelings of fullness, aiding in weight management.

Here’s a breakdown of the nutritional profile of a medium-sized lemon (58 grams):

NutrientAmount% Daily Value*
Carbohydrates5 grams2%
Fiber2 grams7%
Vitamin C30.7 mg34%
Vitamin B60.1 mg5%
Folate9.2 mcg2%
Potassium80.6 mg2%
Copper0.0 mg1%

*Based on a 2,000-calorie diet.

Health Benefits of Lemons Beyond Calories

Lemons are not only low in calories but also offer a multitude of health benefits. Packed with essential vitamins, minerals, and antioxidants, lemons can contribute to overall well-being in various ways.

1. Lemon and Its Antioxidant Properties

Lemons are rich in antioxidants, compounds that help protect our bodies against oxidative stress and damage caused by free radicals.

The primary antioxidant found in lemons is vitamin C, which plays a crucial role in boosting the immune system and promoting collagen synthesis for healthy skin. Antioxidants help neutralize harmful free radicals, reducing the risk of chronic diseases and promoting longevity.

2. Hydration and Digestive Health

Lemon-infused water has gained popularity as a refreshing and hydrating beverage option. Proper hydration supports numerous bodily functions, including digestion, circulation, and temperature regulation.

Lemons also contain citric acid, a natural compound that aids in digestion. Citric acid stimulates the production of digestive enzymes. This can enhance the breakdown of food and promote efficient nutrient absorption. Additionally, lemon water may help alleviate indigestion and bloating by reducing inflammation in the digestive tract.

3. Immune System Support

As mentioned earlier, lemons are a rich source of vitamin C, which is well-known for its immune-boosting properties.

Vitamin C plays a vital role in supporting the function of various immune cells and enhancing the body’s natural defense mechanisms. Consuming lemons regularly can help strengthen the immune system and protect against common illnesses like the flu and colds.

Skin Health and Beauty
Skin Health and Beauty

4. Skin Health and Beauty

The high vitamin C content in lemons also benefits skin health and beauty. Vitamin C is essential for the production of collagen, a protein that provides structure and elasticity to the skin.

Adequate collagen production helps maintain a youthful complexion and reduces the appearance of fine lines and wrinkles.

Additionally, the antioxidant properties of lemons help protect the skin against oxidative damage caused by environmental factors like pollution and UV radiation.

5. Weight Management and Detoxification

Incorporating lemons into your diet can be beneficial for weight management and detoxification. Lemons are low in calories and can be used as a flavorful substitute for higher-calorie ingredients like creamy dressings or sugary beverages.

The fiber content in lemons can promote feelings of fullness and reduce calorie intake, aiding in weight loss or maintenance.

Lemons also have natural diuretic properties, which can support the body’s natural detoxification processes. Drinking lemon water can help flush out toxins, promote healthy kidney function, and maintain optimal fluid balance.

6. Fresh Breath and Oral Health

Lemons’ acidic nature can help freshen breath and contribute to oral health. The citric acid in lemons stimulates saliva production, which can help wash away bacteria and reduce the risk of bad breath. However, it’s important to note that excessive consumption of acidic foods like lemons can erode tooth enamel over time.

7. Mood Enhancement and Stress Reduction

Believe it or not, the aroma of lemons can have mood-enhancing effects. The scent of lemons has been shown to reduce stress, and anxiety, and improve mood. Incorporating lemons into your daily routine, whether through lemon-infused water, culinary use, or even aromatherapy, can provide a refreshing and uplifting experience.

How to Incorporate Lemons into a Healthy Diet?

Incorporating lemons into your diet is simple and can add a zesty twist to your meals. Here are a few suggestions:

  • Squeeze fresh lemon juice over salads or grilled vegetables for added flavor.
  • Use lemon zest to enhance the taste of baked goods or marinades.
  • Enjoy a glass of refreshing lemon water throughout the day.
  • Include lemon slices in your water bottle for a burst of flavor on the go.
  • Experiment with lemon-infused recipes, such as lemon-infused chicken or lemon-infused quinoa.

In addition to their flavor-enhancing properties, lemons can also be used as a natural alternative to high-calorie ingredients. Here are a few ideas on how to use lemons in your cooking:

1. Lemon-Garlic Roasted Chicken

  • Rub a whole chicken with a mixture of lemon zest, minced garlic, olive oil, salt, and pepper.
  • Roast it in the oven until cooked through and golden brown.
  • Squeeze fresh lemon juice over the chicken before serving for a bright and tangy flavor.

2. Grilled Lemon Shrimp Skewers

  • Marinate shrimp in a mixture of lemon juice, olive oil, minced garlic, and dried herbs.
  • Skewer the shrimp and grill until cooked.
  • Serve with a squeeze of fresh lemon juice and garnish with chopped parsley.

3. Lemon-Poppy Seed Muffins

  • Prepare a basic muffin batter and add lemon zest, lemon juice, and poppy seeds.
  • Bake until golden and fragrant.
  • Enjoy these tangy and slightly sweet muffins as a delightful snack or breakfast treat.


Now you know how many calories are in a lemon. In addition, lemons are not only a flavorful and versatile fruit but also offer numerous health benefits. With their low-calorie content and high vitamin C content, they can be a valuable addition to a balanced diet. Whether enjoyed as lemon water or incorporated into various recipes, lemons provide a refreshing and nutritious option for enhancing your overall well-being.

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