Arby’s Roast Beef Sandwich: Nutrition and Ingredients
This is one of the most ordered sandwiches from Arby’s restaurant. It’s a large, yet simple sandwich served with signature, thin-sliced roast beef on a warm toasted sesame seed bun.
Customize the sandwich to fit your preference by adding a special sauce available in-store or with to go orders.
One sandwich has 360 calories, 14 grams fat, 37 grams carbohydrate, and 23 grams protein.
Read this report for a complete overview of the calories, nutrition facts, and ingredients in Arby’s classic roast beef sandwich.
Our aim is to help you discover and learn more about the food you eat. Don’t miss the section below on saturated fat.
Roast Beef Sandwich Nutritional Information
Nutritional information, including calories, is presented based on a single classic roast beef sandwich with a net weight of 154 grams.
Calories
360% Daily Value
saturated fat
25%HIGH
sodium
42%HIGH
TOTAL sugars
5gLOW
%DV based on 2,000 calorie daily diet
Calories
There are 360 calories in Arby’s Classic Roast Beef Sandwich.
Here is a summary of the estimated number of calories derived from fat, carbs, and proteins:
Approximately 42% of the total calorie are derived from carbohydrates. Fat contributes 33% of the calories and the remaining 25% is from protein.
% Calories from Fat, Carbs and Protein
The breakout of calories by nutrient above is a rounded estimate based on the nutrition facts provided by Arby’s. Calories may vary as a result of how the sandwich is prepared.
ESTIMATED FITNESS TIME TO BURN 360 CALORIES
Calories in Classic vs Double vs Half Pound Roast Beef
If you opt for the larger double or half pound sandwich, there is a significant increase in the amount of thinly sliced roast beef. Total calories increase accordingly.
Here is a quick summary of total calories by size of Arby’s Roast Beef sandwich.
Dietary Fat
One slow roasted beef sandwich from Arby’s restaurant contains 14 grams of total fat, including 5 grams of saturated fat.
SUMMARY OF DIETARY FAT PER SERVING
Dietary Guidelines for Americans, published by the U.S. Department of Health and Human Services, recommends limiting calories from saturated to no more than 10% of total calories.
With that in mind, take note that one sandwich has 45 calories from saturated fat. That’s about 12% of the total 360 calories and a quarter of the recommended daily value.
Sodium
Not unlike many of the sandwiches offered at fast food restaurants, the amount of sodium content in one roast beef sandwich is high.
The smallest (classic) version of the sandwich contains 970 milligrams of sodium, which is 42% of the recommended daily value (based on a 2,000 calorie diet).
General nutrition guidance from the U.S. FDA states “sodium is a nutrient to get less of.”
Sodium in Larger Sandwich
Given the extra cured meat served on the half-pound sandwich, it’s no surprise that the amount of sodium increases significantly.
There are 2,040 milligrams of sodium in the larger sandwich stacked 8 ounces of sliced roast beef.
Nutrition Facts
Serving Size 1 Sandwich
Amount per serving
|
Calories |
360 |
% Daily Value
|
Total Fat |
14g |
18% |
|
Saturated Fat |
5g |
25% |
|
Trans Fat |
0.5g | |
|
Cholesterol |
50mg |
17% |
|
Sodium |
970mg |
42% |
|
Carbohydrates |
37g |
13% |
|
Dietary Fiber |
2g |
7% |
|
Total Sugars |
5g | |
|
Protein |
23g |
%DV based on a 2,000 calorie diet. Calorie needs vary and your %DV may be higher or lower. Provided for informational purposes only. Consult with your physician for dietary or healthcare advice.
Ingredients and Allergens in Roast Beef Sandwich
Ingredients
Here are the lists of ingredients in the roast beef and the bun used for the sandwich at Arby’s restaurant.
Roast Beef
Ingredients:Beef, Water, Salt, and Sodium Phosphates.
Sesame Seed Bun
Ingredients:Wheat Flour, Malted Barley Flour, Water, High Fructose Corn Syrup, Yeast, Soybean and/or Cottonseed Oil, Wheat Gluten, Salt, Dried Malt, Dough Conditioners, Yeast Nutrients, Dextrose, Natural and Artificial Flavors, Caramel Color, L-Cysteine, Propylene Glycol, Diammonium Phosphate, Tricalcium Phosphate, Wheat and/or Corn Starch, Corn Grits, Potato Flour, Calcium Propionate and/or Potassium Sorbate, Soy Lecithin, Sesame Seeds.
What is Monocalcium Phosphate?
Monocalcium phosphate is an inorganic compound made up of soluble salts. The purpose of using monocalcium phosphate is to create a reaction with baking soda that releases carbon dioxide, which aerates and increases the volume of the dough.
In this regard, it’s often used as a leavening agent in biscuits, breads, and other baked goods.
Allergens
The roast beef sandwich is made with ingredients that contain gluten, sesame, soy, and wheat.
Arby’s Sandwich Prices
Here is a quick reference for sandwich prices and summary nutrition facts for the classic, double, and half-pound roast beef sandwiches on Arby’s menu. Prices may vary by location.
| Updated Mar 2025 | Price | Calories | Fat | Carbs | Protein | Sodium |
|---|---|---|---|---|---|---|
| Classic Roast Beef | $4.79 | 360 | 14g | 37g | 23g | 970mg |
| Double Roast Beef | $6.59 | 510 | 24g | 38g | 38g | 1610mg |
| Half Pound Roast Beef | $7.89 | 610 | 30g | 38g | 48g | 2040mg |
| Classic Beef 'n Cheddar | $5.69 | 450 | 20g | 45g | 23g | 1280mg |
| Double Beef 'N Cheddar | $6.99 | 630 | 32g | 48g | 39g | 2100mg |
| Half Pound Beef 'N Cheddar | $8.19 | 740 | 39g | 48g | 49g | 2530mg |
| Smokehouse Brisket | $8.29 | 585 | 29g | 47g | 35g | 1196mg |
| Classic French Dip & Swiss | $6.79 | 540 | 22g | 51g | 34g | 2550mg |
Ingredients, allergens, and nutrition facts are based on available information as of the date this article was published and/or updated. Restaurants and food manufacturers may change their recipes without notice. Check directly with the food provider for the most accurate and up-to-date information. NutritionandIngredients.com does not provide health or wellness advice or dietary recommendations. Our aim is to research commercially processed food and publish articles for informational purposes only. Unless otherwise stated, % Daily Value is based on 2,000 calories per day, but calorie needs vary by individual. Always consult your physician for any healthcare or dietary advice.
Nutrition facts, allergens, and ingredients source: Arby’s
So much sodium in one sandwich! No wonder I feel cruddy after eating it. But maybe that’s also why it tastes so good and I keep going back! Yum.