Firehouse Subs under 600 calories: 86 orders, ranked

Of the 149 single orders we track at Firehouse Subs, 86 come in at or under 600 calories — 58%. The most protein in one item under 600 is the Firehouse Salad with Grilled Chicken, 57 g for 380 calories; the most filling by protein and fiber per calorie is the Firehouse Salad with Grilled Chicken (57 g protein, 5 g fiber, 380 cal). 72 entrées fit under 600; 62 do not.

Source: Firehouse Subs nutrition guide (official) · Data refreshed October 12, 2026 · protein missing for 6 of 165 items; carbs missing for 6 of 165 items; fat missing for 6 of 165 items

• 86 orders under 600
• 57g most protein in one item
• 68g protein in a full meal
• 62 entrées over 600

As of October 2026, 86 of the 149 Firehouse Subs single orders we track come in at or under 600 calories, and the most protein in a complete Firehouse Subs meal under 600 is 68 g (A Firehouse Salad with Grilled Chicken, a cup of Firehouse Chili, and a bottle of Diet Coke).

Three complete Firehouse Subs meals under 600 calories

Under 600, the most-protein meal is built on the Firehouse Salad with Grilled Chicken (380 cal), which leaves 220 calories for its sides and drink. One meal-sized entrée, up to two different sides and a drink — the MinMax app's meal and the best under the cap, drink included (water only where no published drink fits; the lightest meal takes a zero-calorie drink, or water). The lightest meal is unchanged from under 500; the others use the extra 100 calories.

Build your own Firehouse Subs order under 600 calories → Swap any item, add a side, share the link.

Every Firehouse Subs order under 600 calories, ranked by protein

Single orders only — no desserts, kids' meals, combos, sauces or toppings — by grams of protein, then calories. The median order under 600 is 370 calories and 72 of the 86 are entrées. Figures as Firehouse Subs published them, rounded to whole numbers (how we check them).

What 600 calories buys at Firehouse Subs

Going from 500 to 600 calories adds 4 orders: Rookie Steak & Cheese Melt (520), Steak & Cheese Melt (Small) (520), Cajun French Fries (550) and French Fries (Large) (590).

What doesn't fit under 600

62 of 134 Firehouse Subs entrées are over 600 calories; the lightest of them, the Station Italian (Small), misses by 10 calories at 610. Tighter budget: Firehouse Subs under 500. Closest misses: Station Italian (Small) (610), Smoked Turkey & Provolone (Medium) (680) and Engineer (Medium) (700).

More at Firehouse Subs

• Firehouse Subs calories & nutrition (165 items listed)
• Firehouse Subs under 300 calories (22 orders)
• Firehouse Subs under 400 calories (61 orders)
• Firehouse Subs under 500 calories (82 orders)
• High-protein Firehouse Subs orders (10 items)
• Firehouse Subs calorie calculator (build an order under your cap)

Under 600 calories at other chains

The same cap at 3 Subs & sandwiches chains, or the cross-chain pillar: fast food under 500 calories (the 600-calorie cap has no cross-chain page yet).

• Wawa under 600
• Cumberland Farms under 600
• TOGO'S under 600