Ordering the tuna sub - medium at Firehouse Subs? At 910 calories per serving, it's 41% of an average 2,200 kcal day. Protein-per-calorie: 17%.
healmeal logs this item in two taps. Search by name, or scan the Firehouse Subs menu live with your camera. The portion is editable if you ordered a half-size or shared.
Nutrition values are published by Firehouse Subs for a standard preparation. Modifications (extra sauce, no cheese, etc.) will change the totals. healmeal handles modifiers in-app.
FAQ
How many calories are in Firehouse Subs' tuna sub - medium?
Firehouse Subs' tuna sub - medium has 910 calories per serving.
How much protein is in a tuna sub - medium at Firehouse Subs?
A tuna sub - medium at Firehouse Subs has 39g of protein per serving.
Is the tuna sub - medium a good macro-friendly choice at Firehouse Subs?
Yes. About 17% of the calories come from protein, which is a solid ratio for a sit-down or quick-service meal.
Can I log Firehouse Subs tuna sub - medium in healmeal?
Yes. The menu scanner reads Firehouse Subs's menu with your camera, or you can search by name. Modifiers like extra protein or no sauce update the totals.
Last updated 20 May 2026
