Whataburger under 400 calories: 30 orders, ranked

Of the 87 single orders we track at Whataburger, 30 come in at or under 400 calories — 34%. The most protein in one item under 400 is the Buffalo Ranch Chicken Salad† with Grilled Chicken, 37 g for 370 calories; the most filling by protein and fiber per calorie is the Garden Salad with Grilled Chicken (34 g protein, 6 g fiber, 290 cal). 12 entrées fit under 400; 34 do not.

Source: Whataburger nutrition guide (official) · Data refreshed October 11, 2026

• 30 orders under 400
• 37g most protein in one item
• 43g protein in a full meal
• 34 entrées over 400

As of October 2026, 30 of the 87 Whataburger single orders we track come in at or under 400 calories, and the most protein in a complete Whataburger meal under 400 is 43 g (A Garden Salad with Grilled Chicken and an 8-ounce 1% Low Fat Milk).

Three complete Whataburger meals under 400 calories

Under 400, the most-protein meal is built on the Garden Salad with Grilled Chicken (290 cal), which leaves 110 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 Whataburger 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 350 calories and 12 of the 30 are entrées. Figures as Whataburger published them, rounded to whole numbers (how we check them).

What 400 calories buys at Whataburger

The 8 lightest orders under 400: Apple Slices (30), Hard-Boiled Egg (80), Grits (100), Garden Salad (160), Hashbrowns (190), French Fries (Small) (270), Garden Salad with Grilled Chicken (290) and Cobb Salad (300).

What doesn't fit under 400

34 of 46 Whataburger entrées are over 400 calories; the lightest of them, the #8 Double Meat Whataburger Jr., misses by 20 calories at 420. With more room, see Whataburger under 500. Closest misses: #8 Double Meat Whataburger Jr. (420), #11 Grilled Chicken Sandwich with Whatasauce (430), Cobb Salad with Grilled Chicken (430), #13 Whatachick'n Strips (3) (460) and #11 Grilled Chicken Sandwich with Mayonnaise (470).

More at Whataburger

• Whataburger calories & nutrition (127 items listed)
• Whataburger under 500 calories (50 orders)
• Whataburger under 600 calories (66 orders)
• High-protein Whataburger orders (33 items)
• Whataburger 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.

• Culver's under 400
• Dairy Queen under 400
• White Castle under 400