Arby’s Roast Beef Sandwich

Arby’s roast beef sandwich, one of the most popular menu items from the fast food restaurant, is made with signature thin-sliced roast beef and served on a warm toasted sesame seed bun.

The classic 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 roast beef sandwiches: the Classic, Double, and Half-Pound.

Many guests order Arby’s special sauce, which is available both in-store and for take out orders.

Roast Beef Sandwich Nutritional Information

Nutritional information, including calories, is based on a standard roast beef sandwich, excluding any add-ons.

Calories

There are 360 calories in Arby’s Classic Roast Beef Sandwich. The Double and Half-Pound options have 510 and 610 calories, respectively.

Here is a summary of the calories by macronutrient in each serving, by sandwich size.

Although the Double has twice the amount of thinly sliced roast beef as the Classic, total calories doesn’t double because it’s served on the same size roll.

Approximately 42% of the total calorie are derived from carbohydrates. Fat contributes 33% of the calories and the remaining 25% is from protein.

Calories by macronutrient are rounded estimates based on the nutrition facts information provided by Arby’s fast food restaurant. Actual calories may vary as a result of how the sandwich is prepared onsite.

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.

Dietary Fats

The amount of dietary fats in the slow roasted beef sandwich from Arby’s fast food restaurant is high.

A Double contains 24 grams total fat, which is 31% of the suggested limit for an entire day.

Review the table below for the amount of fat per sandwich and a comparison to the recommended daily limit.

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 Classic roast beef sandwich has 45 calories from saturated fat. That’s about 12% of the total 360 calories and 25% 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.

Sodium in Larger Sandwiches

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 with 8 ounces of sliced roast beef.

Compare nutritional value to Jimmy John’s plain Slim 2 Roast Beef and the Prime Rib sandwich from Firehouse Subs. Check the amount of dietary fats and cholesterol to determine if one of the fast food sandwiches is the right option for your dietary goals.

Roast Beef Sandwich Ingredients and Allergens

Here are the lists of ingredients in Arby’s roast beef sandwich.

Allergens

The roast beef sandwich is made with ingredients that contain gluten, sesame, soy, and wheat.

If you have a food allergy, check the full allergen for Arby’s fast food menu and consult with your physician before deciding which food is right for you.

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 December 2025	Calories	Fat (g)	Carbs (g)	Protein (g)	Sodium (mg)
Classic Roast Beef	360	14	37	23	970
Double Roast Beef	510	24	38	38	1610
Half Pound Roast Beef	610	30	38	48	2040
Classic Beef 'n Cheddar	450	20	45	23	1280
Double Beef 'N Cheddar	630	32	48	39	2100
Half Pound Beef 'N Cheddar	740	39	48	49	2530
Ham & Swiss Melt	380	13	40	26	1370
Smokehouse Brisket	585	29	47	35	1196
Classic French Dip & Swiss	540	22	51	34	2550
Greek Gyro	700	44	55	23	1370
Roast Beef Gyro	540	29	48	24	1300
Corned Beef Reuben	680	31	62	37	2420
Roast Turkey Ranch & Bacon	800	34	79	46	2480

Nutrition facts, prices, and ingredients are based on available information as of the date of publication. Restaurants and food manufacturers may change recipes or formulations without notice. Check package labels and ask the product manufacturer or restaurant for the most up-to-date information. Unless otherwise stated, %DV is based on a 2,000 calorie diet. All reports and reviews published on this site are for informational purposes only. NutritionandIngredients.com does not provide healthcare advice or dietary recommendations. Always consult your licensed physician for any healthcare or dietary advice.

Nutrition facts, allergens, and ingredients source: Arby’s. Sandwich product images courtesy of Arby’s. Original design by Nutrition & Ingredients for purposes of fast food nutrition research and reporting.