Firehouse Subs under 600 calories: 61 orders, ranked

Of the 114 Firehouse Subs items we track, 61 are single orders at or under 600 calories — 54% of the menu. The most protein in one item under 600 is the Firehouse Chopped Salad with Grilled Chicken, 57 g for 375 calories; the most filling by protein and fiber per calorie is the Smoked Turkey Breast Roast (Medium) (19 g protein, 99 cal). 22 entrées fit under 600; 22 do not.

Source: healthyfastfood.org (third-party host) · Data refreshed September 14, 2026

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

As of September 2026, 61 of the 114 Firehouse Subs items we track fit under 600 calories, and the most protein in a complete Firehouse Subs meal under 600 is 68 g (A Firehouse Chopped Salad with Grilled Chicken, a Chili Side, and a water).

Three complete Firehouse Subs meals under 600 calories

Under 600, the most-protein entrée — the Firehouse Chopped Salad with Grilled Chicken, 375 cal — leaves 225 calories for a side. Entrée first, then a side, then a drink if there is room — the same greedy order the MinMax app uses (water unless a shake adds 10 g of protein). The most filling and lightest meals are unchanged from under 500; the other uses 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 kids' meals, combos, sauces or toppings — by grams of protein, then calories. The median order under 600 is 240 calories and 22 of the 61 are entrées. Figures as Firehouse Subs published them (how we check them).

What 600 calories buys at Firehouse Subs

Going from 500 to 600 calories adds 6 orders: Pastrami Sub Boxed Lunch (510), Chicken Sub Boxed Lunch (520), Veggie Sub Boxed Lunch (520), Roast Beef Sub Boxed Lunch (530), Corned Beef Sub Boxed Lunch (550) and Ham Sub Boxed Lunch (560).

What doesn't fit under 600

22 of 44 Firehouse Subs entrées are over 600 calories; the lightest of them, the Engineer Sub (Medium), misses by 87 calories at 687. Tighter budget: Firehouse Subs under 500. Closest misses: Engineer Sub (Medium) (687).

More at Firehouse Subs

• Firehouse Subs calories & nutrition (all 114 items)
• Firehouse Subs under 300 calories (36 orders)
• Firehouse Subs under 400 calories (50 orders)
• Firehouse Subs under 500 calories (55 orders)
• High-protein Firehouse Subs orders (15 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).

• Subway under 600
• Arby's under 600
• Panera Bread under 600