Jimmy John’s Big John Roast Beef Sub (Giant 16″)
The Big John®, #2 on Jimmy John’s Originals Menu, is made with sliced roast beef, mayo, lettuce, and tomato. Select from a French roll, thick-sliced wheat bread, or a wrap.
The largest size available, a Giant 16″ Big John has
Read this guide for a detailed overview of the nutritional information and allergens in Jimmy John’s popular roast beef sub sandwich.
Big John Sandwich Nutritional Info
Serving Size
Nutrition facts vary based on sandwich size and type of bread ordered. Jimmy John’s offers two sizes on french bread: a regular 8″ and a giant 16″.
The Big John could also be ordered on sliced wheat bread, a garlic herb wrap, a flour wrap, or without bread in a lettuce wrap.
Nutritional information in this guide is based on a Giant 16″ Big John on French Bread, unless otherwise noted.
Calories
1000% Daily Value
saturated fat
35%HIGH
sodium
97%HIGH
TOTAL sugars
4gLOW
%DV based on 2,000 calorie daily diet
Percentage daily value (%DV) illustrates how much a nutrient per serving contributes to a 2,000 calorie daily diet.
Calories
There are 1,000 calories in a 16″ Big John sub.
Here is a quick summary of the estimated number of calories from fat, carbs and protein:
Dietary fat and carbohydrates each contribute about 39% of the total calories. The remaining 22% of total calories is from protein.
% Calories from Fat, Carbs and Protein
The summary of calories by nutrient is a rounded estimate based on the nutrition facts provided by Jimmy John’s restaurant. Calories may vary by location or as a result of how the sandwich is prepared.
Total Calories Vary by Size and Type of Bread
Calories in a Big John vary based on type of bread ordered and size sandwich. Here is a summary:
Reduced Calorie Big John
For a lower carb, reduced calorie option, check out Jimmy John’s Unwich®. The lettuce wrapped version includes the same hand-sliced roast beef with all the fixings.
Without the bread, the Unwich has only 270 total calories, about half the calories of the traditional Big John on a French roll.
ESTIMATED FITNESS TIME TO BURN 1,000 CALORIES
Total Fat
One serving contains 42 grams of total fat, including 7 grams of saturated fat. That is high.
SUMMARY OF DIETARY FAT PER SERVING
Here is the summary of nutritional information based on a Giant 16″ Big John sub on French Bread.
Nutrition Facts
Serving Size 16″ Sub
Amount per serving
|
Calories |
1000 |
% Daily Value
|
Total Fat |
42g |
54% |
|
Saturated Fat |
7g |
35% |
|
Trans Fat |
0g | |
|
Cholesterol |
120mg |
40% |
|
Sodium |
2220mg |
97% |
|
Carbohydrates |
94g |
34% |
|
Dietary Fiber |
8g |
29% |
|
Total Sugars |
4g | |
|
Protein |
52g |
%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.
Allergens
The Big John sub sandwich from Jimmy John’s is made with ingredients that contain egg, gluten, soy, and wheat.
Roast Beef Sandwiches at Jimmy John’s
Jimmy John’s sandwiches are made with hand-sliced meats and served on fresh-baked bread.
In addition to the Big John, these sandwiches are also made with Roast Beef:
Summary Nutritional Value by Sandwich
| Updated Mar 2025 | Description | Calories | Fat | Carbs | Protein | Sodium |
|---|---|---|---|---|---|---|
| Jimmy John's Slim 2 | Simple sandwich with roast beef only. | 440 | 5g | 66g | 30g | 1200mg |
| Jimmy John's Hunter's Club | Roast beef, provolone cheese, lettuce, tomato, mayo. | 830 | 34g | 70g | 55g | 2080mg |
| Jimmy John's Billy Club | Roast beef, smoked ham, provolone cheese, lettuce, tomato, mayo, dijon. | 810 | 32g | 73g | 50g | 2360mg |
| Jimmy John's Bootlegger Club | Roast beef, turkey, lettuce, tomato, mayo. | 680 | 23g | 71g | 44g | 1890mg |
| Jimmy John's Big John | Roast beef, lettuce, tomato, mayo. | 500 | 21g | 47g | 26g | 1110mg |
| Smoked Cheddar Bourbon Club | Roast beef, bacon, smoked cheddar cheese, sriracha bourbon sauce, lettuce, tomato, mayo | 780 | 33g | 72g | 40g | 1940mg |
If you would like a particular type of meat in your sandwich, check this simple reference chart. The chart indicates which meat (bacon, ham, roast beef, salami, tuna, turkey) is in each of the sandwich options on Jimmy John’s menu.
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 source: Jimmy John’s