How Many Calories Are in a Slice of Roast Beef?
You’ll find that a typical slice of roast beef has about 13 to 15 calories, making it a lean and protein-packed option for your meals. The exact calorie count depends on the slice’s size and thickness—larger or thicker slices pack more calories.
Roast beef offers a good balance of protein and moderate fat, and compared to other deli meats, it’s often a lower-calorie choice.
Keep going to discover how slice size impacts calories and tips for enjoying roast beef on a diet.
How Many Calories in a Slice of Roast Beef?

Wondering how many calories are in a slice of roast beef? A typical slice weighing about 13.8 grams contains roughly 13.8 calories. The calorie count largely depends on the slice’s thickness and weight, but most slices range between 10 to 20 calories.
When you look at a standard 3-ounce (85-gram) serving size of roast beef, you’re getting about 135 calories. This makes it easier to track your nutrition if you measure your portions. Keep in mind, smaller deli-style slices usually have around 30-50 calories per 2-ounce serving.
The calories come mainly from protein and fat, with minimal carbs, so roast beef is a solid option if you want a moderate calorie count with good nutrition.
How Slice Size Affects Roast Beef Calories

Because the calorie content in roast beef slices depends directly on their weight, the size of the slice you choose considerably affects how many calories you consume. For example, a thin slice measuring about 4.5 x 2.5 x 1/8 inch contains roughly 56 calories.
If you opt for a larger slice weighing 2 ounces, the calorie content nearly doubles to around 125 calories. Smaller deli-style slices typically have between 10 to 15 calories per 1-ounce serving.
Since the weight determines the calorie content, relying on slice size alone can be misleading. To accurately track your calorie intake, always consider the precise weight of the slice. By understanding how slice size and weight relate, you can better control your serving’s calorie content and manage your overall nutrition.
Macronutrients in Roast Beef Calories

How much protein and fat do you get from a slice of roast beef? A typical slice weighing about 13.8 grams contains roughly 13.8 calories, mainly from protein and fat. Roast beef is known for its strong macronutrient profile, offering high protein content with minimal carbohydrates.
For every 100 calories, you get approximately 16 grams of protein, making it an excellent choice if you’re focusing on protein intake. Fat content varies by cut and preparation but generally includes moderate amounts, with about 1.3 grams of saturated fat and 1.5 grams of monounsaturated fat per 100 grams serving.
A standard 2-ounce serving delivers around 90-115 calories, balancing protein and fat effectively. This makes roast beef a nutritious, protein-rich option in your diet.
How Roast Beef Calories Compare to Other Deli Meats
When you compare roast beef to other deli meats, you’ll notice it packs fewer calories per slice than turkey or ham, with about 56 calories in a typical 1-ounce serving. Roast beef also stands out with higher protein and moderate fat content, making it a balanced choice among deli meats.
| Deli Meat | Calories (per oz) | Fat Content (g) | Protein (g) |
|---|---|---|---|
| Roast Beef | 56 | 3.6 | 5.4 |
| Turkey | 70-80 | 1-2 | ~5 |
| Salami | 90-110 | 8-9 | 5-6 |
In terms of calories and fat content, roast beef offers a leaner option with solid protein compared to fattier deli meats like salami.
Tips for Eating Roast Beef on a Low-Calorie Diet
Roast beef offers a lean and protein-rich choice compared to other deli meats, making it a smart option for those watching their calorie intake. To stay on track with your low-calorie diet, pay close attention to serving size—opt for about a 1-ounce portion to keep calories manageable while getting quality lean protein.
Check the nutrition facts to choose lean cuts like sirloin or round roast, which contain less fat and fewer calories. Avoid adding high-calorie sauces or fats that can quickly increase your calorie intake; instead, use herbs and spices for flavor.
Pair your roast beef with plenty of vegetables and whole grains to create balanced meals that keep you full without adding unnecessary calories.
Frequently Asked Questions
How Many Calories Are in a Single Slice of Roast Beef?
A single slice of roast beef usually has between 10 to 56 calories, depending on its thickness and weight.
If you want a precise count, weigh your slice and multiply by about 1.1 calories per gram.
Is Roast Beef the Healthiest Deli Meat?
Roast beef can be one of the healthiest deli meats since it’s lean, lower in sodium, and rich in protein and nutrients.
You’ll want to watch portion sizes and preparation to keep it a smart choice.
Is Roast Beef High in Calories?
Roast beef isn’t a calorie heavyweight; it’s more like a featherweight contender. You won’t find it tipping the scales high, especially in thin slices.
What’s the Lowest Calorie Deli Meat?
The lowest calorie deli meat you can choose is low-sodium, skinless turkey breast, with about 30-40 calories per 2-ounce slice.
It’s leaner and lighter compared to roast beef or chicken breast options.
Conclusion
When you savor a thin, tender slice of roast beef, imagine the rich, savory flavors melting on your tongue without tipping the calorie scale too high. By keeping your portions mindful, you can enjoy this hearty meat while staying on track with your goals.
Whether paired with fresh greens or tucked into a whole-grain wrap, roast beef offers satisfying nourishment that fits perfectly into a low-calorie diet. This makes it an excellent choice for those counting calories.
In conclusion, a slice of roast beef provides a delicious, protein-rich option that supports your calorie-conscious meals. Enjoying roast beef in moderation helps you maintain a balanced diet without sacrificing flavor or satisfaction.