The fruit with the least calories is usually watermelon, which contains about 30 calories per 100 grams. Other low-calorie fruits include strawberries, cantaloupe, grapefruit, and peaches. However, the lowest-calorie fruit is not always the best choice for a Low-Carb or Keto Diet. Many fruits are high in carbohydrates, so people following low-carb diets should consider net carbs, sugar content, and portion size in addition to calories. So, let's consider all of this and find the lowest-calorie fruits and options that work best for weight loss, low-carb diets, and keto.
The fruit with the least calories is generally watermelon, with about 30 calories per 100 grams. It has high water content, making it one of the lowest-calorie fruits [1] [2].
But watermelon is not the only choice. There are other fruits with very few calories.
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The following fruits are lower in calories while offering important nutrients such as fiber, vitamins, minerals, and antioxidants.
While you can find the fruit with the least calories from among the above options, it may not be the best choice or even suitable if you are on a Low-Carb Diet or Keto Diet.
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Low-calorie does not always mean Keto-friendly. For example, watermelon is very low in calories but contains more carbohydrates than many Keto-friendly fruits [3] [4].
If you are following a ketogenic diet, you need to consume fruits with fewer net carbs.
So, let’s take a look at the table below, showing some of the best low-calorie, Keto-friendly fruits.
Although avocado is higher in calories than most fruits, it is one of the best choices for a Keto Diet Meal Plan or a Low-Carb Diet Meal Plan because it is high in healthy fats and super low in net carbohydrates [5] [6].
Now that we have learned about low-carb and Keto-friendly fruits, let’s learn about lowest-sugar fruits and the best fruits for weight loss.
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If you are on a high-carb diet and are trying to reduce your sugar intake, you can use the following fruits, which are among the best choices.
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To lose weight, you need to use the fruit with the least calories. A caloric deficit is what helps you lose extra weight.
The best fruits for weight loss are not only low in calories but are also filling. Fruits with high water and fiber content can help increase fullness while keeping calories low.
The best choices include:
A calorie deficit is still the main cause of weight loss. No fruit can directly burn fat, but low-calorie fruits can make a healthy diet easier to follow.
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In case you are confused about lowest-calorie and lowest-carb fruits, check out the table below that shows the best fruit choices based on your goals.
Some fruits are nutritious but easier to overeat because they contain more carbohydrates. So, you need to cut back on them if you are on a Low-Carb or Keto Diet.
Learn More: Keto Friendly Fruits & Vegetables: Facts You Can’t Miss!
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You need to avoid or limit the following fruits on low-carb, ketogenic diets.
The fruit with the least calories is usually watermelon, but choosing the best fruit depends on your goals.
For weight loss, choose high-water, high-fiber fruits like berries and strawberries. But for Keto, consume low-carb fruits like berries and avocado rather than focusing only on calories.
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Let’s find answers to the most frequently asked questions about the fruit with the least calories.
Yes, but you must eat low-carb fruits, such as berries, avocado, lemon, and lime. But you need to avoid or limit bananas, grapes, mangoes, dates, and dried fruits.
No, there is no scientific evidence that any fruit burns more calories during digestion than it provides. Some fruits are very low in calories because they contain a lot of water and fiber, but your body still absorbs calories from them.
Watermelon is one of the lowest-calorie fruits, providing about 30 calories per 100 grams. Strawberries and cantaloupe are also among the lowest-calorie options.
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Watermelon, strawberries, and berries are great choices because they contain few calories while providing volume, water, and nutrients.
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Avocado has one of the lowest-sugar fruits. Among sweet fruits, berries such as raspberries and strawberries are lower in sugar than many other options.
The most Keto-friendly fruits include berries, avocado, lemon, and lime because they contain fewer net carbohydrates.
You may eat small portions of watermelon on Keto once in a blue moon, but it contains more carbohydrates than berries and is not allowed on very-low-carb keto diets.
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Fruit can support weight loss when it replaces higher-calorie foods and helps you maintain a calorie deficit. However, eating fruit alone does not cause fat loss.
Avocado is one of the most calorie-dense fruits because it contains a high amount of fat, while dried fruits are also much higher in calories than fresh fruit.
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