Firehouse Subs Sizes Explained: Small vs Medium vs Large in 2026

What Sizes Does Firehouse Subs Offer?

Most Firehouse Subs locations generally offer 3 sizes:

– Small
– Medium
– Large

But exact availability can depend on sandwich type, branch location, and limited-time items. Wraps and salads are usually available in fixed sizes.

Firehouse Subs Sizes Comparison

Small Firehouse Subs (5-6 inches)

Small size subs are usually for those who prefer lighter lunch, or want to control intake of calories, or if they prefer a snacks-style meal. Small sandwiches are comparatively less filling but can be good quick meal option. If you a light-appetite person, then a small sub will be suitable for you.

Medium Firehouse Subs (7-8 inches)

Medium size Firehouse Subs is considered as the most popular option. It provides balanced portion and also better meat quantity as compared to a small sub. A medium sub can be a satisfying lunch experience, or can also be a proper filling meal. Most of the menus are based on calories and pricing of medium size sub. If you are goin to try Firehouse Subs for the first time, then a medium size sub will be the safest and best option for you.

Large Firehouse Subs (11-12 inches)

Large size subs provides very heavy and filling meal. This option is suitable as a full meal dinner, and for extra hungry customers with strong appetite. It can also be useful if you want to share with someone. The large subs has heavier portions with extra meat and cheese, and contains around 1000+ calories per one large sub. If you enjoy rich smoky sandwiches, then a large sub can be a satisfying option for you.

Which Firehouse Subs Size Gives the Best Value?

Generally, a medium size sub provides the best balance, best portion, and best value for money. Small size is a bit cheaper, but contains less quantity of meat and cheese, and can only be suitable as a aside item. Large size is also valuable, but contains very high calories, and can also feel overly heavy for some customers. This is why most of the customers prefer medium size sandwich as it is balanced in all aspects.

Best Size for First-Time Customers

If you are trying Firehouse Subs for the first time, then medium size sub is recommended. As it gives you proper Firehouse experience, contains enough meat and cheese, and can be a satisfying meal due to its balanced portion, without becoming too overwhelming.

Calories Difference Between Sizes

In Firehouse Subs, calories increases with the increase of sandwich size. Generally small sub contains lower calories, medium contains balanced calories, and large sub contains very high calories. Cheese, sauces and meat-heavy sandwiches makes the large sub very high in calories. Specially large size brisket sandwiches, bacon sandwiches, and cheesy subs contains very high calories and are not recommended for health conscious customers.

Which Size Is Best for Weight Loss?

If you want to control intake of calories, then you should go for a small sub, or a salad, or may be a wrap or you can go with lighter turkey options. Avoiding sweet BBQ sauces and cheese can help in reducing calories and carbs.

Which Size Is Best for Bulking or Heavy Appetite?

If you are a gym bulking heavy appetite person, and are not worried about calories count, then a large size sub is the best option for you. You should try large size sub of newly launched Melted Steak and cheese sub, Beef brisket sub, Pastrami, and others. All these are rich in flavors and feels heavy and filling.

Are All Firehouse Sandwiches Available in Every Size?

Firehouse Subs offers almost every sandwich in all sizes, but still some wraps, salads, and limited-time sandwiches are available in fixed sizes. Moreover, it also depends on location and the type of sandwich you are ordering.

Final Thoughts

Firehouse Subs sandwich sizes target all customers with different appetite levels and meal preferences. Small size provides lighter meal, medium size is balanced and most practical option for all type of customers, while large size is suitable for heavy eaters and for sharing.

If you are trying Firehouse Subs for the first time, then medium size sub is usually the safest and best value option. But if you want a lighter and calories conscious option, then small size is also a good option.