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Last updated: Aug 9, 2026

Whataburger

Jr. Whataburger Patty Melt (Single Patty)

Junior All-Time Favorites & Seasonal SandwichesPopular

Whataburger Jr. Whataburger Patty Melt (Single Patty) is fat-leaning, with about 53% of macro calories from fat. Each serving has 640 calories, 28g protein, 45g carbs, and 37g fat, making it a stronger fit for high-protein restaurant planning.

1 Serving

Serving Size

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640

Calories

Per serving

28 g

Protein

45 g

Carbs

37 g

Fat

Nutrition Facts

Amount per serving

Calories640 kcal

% Daily Value*

Total Fat 37 g47%

Saturated Fat 11 g55%

Trans Fat 1 g—

Cholesterol 65 mg22%

Sodium 1,200 mg52%

Total Carbohydrate 45 g16%

Dietary Fiber 1 g4%

Total Sugars 6 g—

Protein 28 g56%

Vitamin A—

Vitamin C—

Vitamin D—

Calcium—

Iron—

Potassium—

Caffeine—

* The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet.

Nutrition Breakdown

640

kcal

Protein28 g (18%)

Carbs45 g (29%)

Fat37 g (53%)

Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.

Meal Planning Insights

Protein density4.4/10

18% of macro calories come from protein.

Satiety index10/10

Estimated from protein, fiber, calories, and fat balance.

Activity estimate160 min walk

About 64 minutes of running for these calories.

Key Nutrients

Protein 28 g56%

Fiber 1 g4%

Sodium 1,200 mg52%

Sugars 6 g—

Saturated Fat 11 g55%

How we calculate these values

Diet Compatibility

High protein4.4/10 protein density from 28g protein and 640 calories.No

Lower carb45g carbs per serving.No

Low fat37g total fat per serving.No

High sugar6g total sugars per serving.No

High sodium1,200mg sodium per serving.Yes

Vegetarian source flagNo vegetarian flag is published for this item.Not flagged

Compare with other items

Select up to 3 items to compare calories, protein, sodium, and macros.

Quick comparisons

Jr. Whataburger Patty Melt (Single Patty) has 240 more calories than # 20 Taquito with Cheese & Bacon and 8g more protein. Compare

Jr. Whataburger Patty Melt (Single Patty) has 190 more calories than # 20 Taquito with Cheese & Chorizo and 9g more protein. Compare

# 20 Taquito with Cheese & Bacon400 kcal · 20 g protein# 20 Taquito with Cheese & Chorizo450 kcal · 19 g protein# 20 Taquito with Cheese & Potato440 kcal · 17 g protein# 20 Taquito with Cheese & Sausage420 kcal · 19 g protein# 21 Breakfast On A Bun with Bacon360 kcal · 18 g protein# 21 Breakfast On A Bun with Sausage510 kcal · 27 g protein

Compare with # 20 Taquito with Cheese & Bacon

Jr. Whataburger Patty Melt (Single Patty) Compared With Nearby Items

Whataburger Jr. Whataburger Patty Melt (Single Patty) is listed in the Junior All-Time Favorites & Seasonal Sandwiches category with 640 calories, 28g protein, 45g carbs, and 37g fat per serving.

Data Source and Methodology

Nutrition values for Jr. Whataburger Patty Melt (Single Patty) are maintained in Nutrimetry from restaurant-published menu data and were last checked on Aug 9, 2026. Macro percentages use 4 calories per gram for protein and carbohydrates and 9 calories per gram for fat.

Read the data methodology

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