How many calories in a roast beef sanddwich?

I can't tell you the exact number of calories in a roast beef sandwich. Here's why:

* Different ingredients: Roast beef sandwiches vary wildly depending on the bread, the type of roast beef, the toppings (lettuce, tomato, cheese, etc.), and the amount of condiments (mayo, mustard, etc.).

* Portion size: The number of calories will change drastically based on how much meat, bread, and toppings are used.

To figure out the calorie count of your roast beef sandwich:

1. Check the nutritional information: If you bought the sandwich pre-made, look for the nutrition label on the package.

2. Calculate it yourself: Use a nutrition calculator website (like MyFitnessPal or CalorieKing) and enter the specific ingredients and amounts in your sandwich.

Let me know if you have any other questions!