Skip to content

Which Grain Has the Lowest Calories? A Nutritional Showdown

4 min read

According to USDA data, a single cup of cooked bulgur wheat contains only around 151 calories, making it a contender for which grain has the lowest calories. However, a full nutritional comparison is necessary to determine the best choice for your dietary needs, as factors like fiber and protein also play a crucial role in managing weight and promoting satiety.

Quick Summary

This article compares popular whole grains to reveal which has the lowest calorie count, offering a detailed nutritional breakdown to inform healthier eating choices.

Key Points

  • Bulgur wheat and buckwheat are the lowest-calorie grains: Per cooked cup, these two grains contain the fewest calories among popular options, with bulgur coming in at approximately 151 calories and buckwheat at 155 calories.

  • Wild rice is a low-calorie, high-protein choice: Offering around 166 calories per cooked cup and a solid protein content, wild rice provides great nutritional value for its low-calorie density.

  • Oatmeal is an excellent low-calorie breakfast: Cooked with water, oatmeal provides approximately 166 calories per cup and is high in soluble fiber, which promotes satiety.

  • Fiber and protein promote satiety: Beyond just calories, the fiber and protein content of a grain are crucial for making you feel full and satisfied, which helps with weight management.

  • Proper portion control is key: No matter which low-calorie grain you choose, controlling your portion size is essential to managing overall calorie intake effectively.

In This Article

Comparing Low-Calorie Grains for a Healthier Diet

Many people associate grains with high carbohydrate and calorie counts, but incorporating the right types into your diet can be a cornerstone of healthy eating. When aiming for weight management or simply a lower-calorie diet, choosing the right grain is essential. While many focus solely on the calorie count, factors like fiber and protein are equally important for sustained energy and feeling full.

The Lowest Calorie Contenders

Based on USDA data for a single cooked cup, several grains stand out for their relatively low calorie density. The clear front-runner is bulgur wheat, followed closely by wild rice and buckwheat. The calorie counts are based on preparation using water, as adding fats like oil or butter will increase the total caloric intake.

Detailed Breakdown of Low-Calorie Grains

  • Bulgur Wheat: A staple in Middle Eastern cuisine, this grain is made from cracked, parboiled wheat. Its low-calorie density is complemented by a high fiber content, which promotes digestive health and increases feelings of fullness. Its nutty flavor and chewy texture make it a versatile ingredient for salads, pilafs, and soups.
  • Buckwheat: Despite its name, buckwheat is not related to wheat and is naturally gluten-free. It is often roasted before cooking, yielding a distinct earthy flavor. It's a rich source of plant-based protein and fiber, making it a filling and nutritious option that doesn't spike blood sugar levels dramatically.
  • Wild Rice: Technically a semi-aquatic grass seed and not a true rice, wild rice offers a surprisingly low calorie count per cooked cup. Its rich, nutty flavor and chewy texture make it a gourmet addition to dishes. Wild rice is also a good source of protein and fiber, contributing to satiety and overall health.
  • Oatmeal: A breakfast classic, oatmeal is another excellent choice for a low-calorie diet, especially if you opt for the whole grain version cooked with water. Its soluble fiber, known as beta-glucan, is particularly effective at promoting fullness and can help lower cholesterol levels.
  • Barley: Pearled barley, the most common type, is a chewy and satisfying grain that is also low in calories per cooked cup. It's a great source of fiber, and its benefits include improved cholesterol and blood sugar control.

Nutritional Comparison of Cooked Grains (per 1 cup)

Grain Calories Protein (g) Fiber (g) Carbohydrates (g)
Bulgur Wheat ~151 ~5.6 ~8.2 ~33.8
Buckwheat Groats ~155 ~5.7 ~4.5 ~33.5
Wild Rice ~166 ~6.5 ~3.0 ~35.0
Oatmeal ~166 ~5.9 ~4.0 ~28.1
Pearled Barley ~193 ~3.6 ~6.0 ~44.3
Millet ~207 ~6.1 ~2.3 ~41.2
Brown Rice ~216 ~5.0 ~3.5 ~44.8
Quinoa ~222 ~8.1 ~5.2 ~39.4

Beyond the Calorie Count: How to Maximize Your Grain's Benefits

To make the most of these low-calorie grains, consider these preparation tips:

  • Portion Control: Even low-calorie grains can contribute to weight gain if portion sizes are too large. Stick to a measured portion, such as a half to one-cup serving per meal, depending on your dietary goals.
  • Add Flavor Naturally: Instead of relying on high-calorie fats or sauces, enhance the flavor with herbs, spices, and fresh vegetables. This adds minimal calories while boosting nutritional content.
  • Pair with Protein and Vegetables: Combining grains with lean protein and a variety of vegetables creates a balanced meal that is more satiating and nutrient-dense, helping to prevent overeating. For example, a bulgur salad with chickpeas and cucumbers provides a great mix of fiber and protein.
  • Choose Whole Grains: The data above is for whole grain varieties where applicable. Refined grains, such as white rice, often have similar or higher calorie counts but lack the beneficial fiber and nutrients that contribute to fullness and overall health.

Conclusion

While bulgur wheat and buckwheat are the technical winners for having the lowest calories per cooked cup, the best choice depends on your personal dietary needs and taste preferences. Wild rice, oatmeal, and barley also provide excellent low-calorie options with unique nutritional benefits. By focusing on whole grains, practicing portion control, and pairing them with other healthy foods, you can effectively manage your calorie intake while enjoying a delicious and nutrient-rich diet. Experiment with these versatile grains to find the ones that best suit your lifestyle and health goals.

Choosing Your Low-Calorie Grain

  • For the lowest calorie count: Start with bulgur wheat or buckwheat, which have the lowest caloric density per cooked cup among the popular options.
  • For a high-protein option: Consider quinoa, which offers a complete protein source, or wild rice, which also provides a solid protein boost.
  • For digestive health: Leverage the high fiber content of bulgur wheat or barley to support a healthy gut and promote feelings of fullness.
  • For a classic breakfast: Stick with oatmeal, a nutrient-dense and satisfying option that is both low in calories and rich in soluble fiber.
  • For flavor and texture variety: Incorporate wild rice for its rich, nutty taste or buckwheat for its distinct earthy profile into your meals.

Frequently Asked Questions

Based on standard cooked cup measurements, bulgur wheat is the single lowest calorie grain, with approximately 151 calories per cup.

While healthier than refined white rice, brown rice is not among the lowest-calorie grains, containing about 216 calories per cooked cup, which is higher than bulgur, buckwheat, and wild rice.

Yes, many whole grains are rich in fiber, which helps you feel full longer and can reduce overall calorie intake, making them beneficial for weight management.

You can reduce calories by cooking grains in water instead of broth, avoiding added fats like butter or oil, and flavoring with herbs and spices instead of high-calorie sauces.

Oats are generally lower in calories than quinoa per cooked cup. A cup of cooked oats has about 166 calories, while a cup of cooked quinoa has around 222 calories.

Excellent low-calorie alternatives include bulgur wheat, buckwheat, or wild rice. These options offer more fiber and nutrients than refined starches.

No, barley is not gluten-free. It contains gluten, which gives it its chewy texture, making it unsuitable for individuals with celiac disease or gluten sensitivity.

Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.