How many ounces is a serving of watermelon?

Watermelon is a refreshing, sweet fruit that is a staple of summer. But when it comes to nutrition, how much watermelon should you eat to get a standard serving size? Let’s take a closer look at watermelon serving sizes to find out.

What is Considered a Serving of Watermelon?

According to the USDA, a standard serving size of watermelon is approximately:

  • 2 cups diced watermelon
  • 1 cup watermelon balls
  • 1 small wedge or slice (approximately 1/16 of a medium watermelon)

These serving sizes equal about:

  • 152 grams of watermelon
  • Around 11 ounces of watermelon

So in general, a serving of fresh watermelon equals about 1 cup of diced or balled watermelon, which is approximately 11 ounces in weight.

Watermelon Serving Size in Ounces

To be more precise, let’s break down the ounce measurements for a watermelon serving:

  • A 2 cup serving of diced watermelon equals 10.4 ounces
  • A 1 cup serving of watermelon balls equals 5.3 ounces
  • A small watermelon wedge equals 11.1 ounces

So while the typical serving size is considered around 11 ounces, the exact ounce amount may vary slightly depending on how it is prepared.

Watermelon Serving Size Equivalents

For easy reference, here are some common items that equal about 1 cup or 11 ounces of watermelon:

  • 1 small apple
  • 1 cup grapes
  • 2 large plums
  • 1 large peach
  • 32 seedless grapes
  • 8 large strawberries

Comparing watermelon serving sizes to other fruits can make it easier to estimate how much melon to include in a meal or snack.

Benefits of 11 Ounces of Watermelon

Eating 11 ounces or about 1 cup of watermelon provides the following nutrients and health benefits:

  • 45 calories
  • 0 grams fat
  • 11 grams carbohydrate
  • 1 gram fiber
  • 112% Vitamin C
  • 21% Vitamin A
  • 2% Calcium
  • 2% Iron
  • High water content keeps you hydrated
  • Contains citrulline which may improve heart health
  • May boost exercise performance and recovery
  • Antioxidants like lycopene support immunity

Watermelon is low in calories but high in vitamins, minerals and antioxidants. It provides a sweet way to hydrate and get nutrients.

Tips for Serving Watermelon

Here are some simple tips for enjoying watermelon:

  • Keep pre-cut watermelon handy in the fridge for easy snacking.
  • Add watermelon cubes, balls or slices to a fruit salad.
  • Blend watermelon with yogurt and mint for a smoothie.
  • Make watermelon popsicles for a cool treat.
  • Grill watermelon wedges as a cookout side dish.
  • Pair fresh watermelon with feta cheese for a savory salad.

Watermelon is endlessly versatile – enjoy it plain, in a recipe, or try new and creative ways to work it into your diet.

Watermelon Serving Sizes for Kids

For children, the recommended watermelon serving depends on their age and calorie needs:

Age Serving Size
1-3 years 1/2 cup diced or 1/4 small wedge
4-8 years 3/4 cup diced or 1/3 small wedge
9-13 years 1 cup diced or 1/2 small wedge

Aim to stay within these kid-friendly serving sizes to provide adequate nutrition without excess sugar and calories.

Ounces per Watermelon Serving for Diets

Here are the recommended watermelon serving sizes in ounces for some popular diet plans:

  • Keto diet: 1 cup diced or 11 ounces due to higher carb content
  • Paleo diet: Unlimited as long as within daily carbohydrate target
  • Whole30 diet: Unlimited amounts
  • Volume eating diet: Can eat more than 11 ounces to provide food volume

In general, low carb diets limit watermelon while plans like Whole30 and paleo do not restrict intake. Check your specific diet guidelines to customize your ideal watermelon serving size.

Watermelon Juice Serving Size

When it comes to watermelon juice, here are some typical serving sizes:

  • 4 ounces or 1/2 cup 100% watermelon juice
  • 6 ounces or 3/4 cup blended watermelon juice
  • 8 ounces or 1 cup watermelon infused water

Juicing watermelon concentrates the natural sugars. Limit juice portions and opt for whole fruit when possible.

Can You Eat Too Much Watermelon? Safety and Moderation

Watermelon is generally safe to consume. However, eating in moderation is still recommended. Potential downsides of overindulging include:

  • Digestive issues like diarrhea or bloating
  • Spike and crash from natural sugar rush
  • Excess calorie intake leading to weight gain
  • Risk of allergic reaction in sensitive individuals

Stick within standard serving sizes and be cautious with juicing to avoid adverse effects. Watermelon is tastiest and healthiest in moderation.


So how much watermelon should you eat? A standard serving size is around 11 ounces or 1 packed cup diced, which provides important vitamins and minerals. This serving can be adjusted based on your dietary needs and preferences. Watermelon is a refreshing treat that can be incorporated into a balanced, healthy lifestyle.

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