A&W under 400 calories: 12 orders, ranked

Of the 48 single orders we track at A&W, 12 come in at or under 400 calories — 25%. The most protein in one item under 400 is the Spicy Papa Grilled Chicken Sandwich, 29 g for 370 calories; the most filling by protein and fiber per calorie is the Spicy Papa Grilled Chicken Sandwich (29 g protein, 1 g fiber, 370 cal). 8 entrées fit under 400; 26 do not.

Source: A&W nutrition guide (official), August 3, 2026 edition · Data refreshed September 15, 2026

• 12 orders under 400
• 29g most protein in one item
• 29g protein in a full meal
• 26 entrées over 400

As of September 2026, 12 of the 48 A&W single orders we track come in at or under 400 calories, and the most protein in a complete A&W meal under 400 is 29 g (A Spicy Papa Grilled Chicken Sandwich and a large A&W Root Beer Zero Sugar).

Three complete A&W meals under 400 calories

Under 400, the most-protein meal is built on the Spicy Papa Grilled Chicken Sandwich (370 cal), which leaves 30 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).

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Every A&W order under 400 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 400 is 365 calories and 8 of the 12 are entrées. Figures as A&W published them, rounded to whole numbers (how we check them).

What 400 calories buys at A&W

The 8 lightest orders under 400: Onion Rings (Regular) (180), Corn Dog Nuggets (5) (330), Hamburger (Single) (330), Hot Dog (330), Coney Dog (340), Onion Rings (Large) (360), Spicy Papa Grilled Chicken Sandwich (370) and Cheeseburger (Single) (380).

What doesn't fit under 400

26 of 34 A&W entrées are over 400 calories; the lightest of them, the Deluxe Grilled Chicken Sandwich (limited time), misses by 10 calories at 410. With more room, see A&W under 500. Closest misses: Deluxe Grilled Chicken Sandwich (limited time) (410), Texas Toast Melt (Single) (420), Papa Burger (Single) (430), Spicy Papa Burger (Single) (430) and Hamburger (Double) (460).

More at A&W

• A&W calories & nutrition (84 items listed)
• A&W under 500 calories (21 orders)
• A&W under 600 calories (29 orders)
• High-protein A&W orders (17 items)
• A&W calorie calculator (build an order under your cap)

Under 400 calories at other chains

The same cap at 3 Burgers chains, or the cross-chain pillar: fast food under 400 calories.

• McDonald's under 400
• Burger King under 400
• Wendy's under 400