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Nutrition Breakdown

Burger21 Calories — Lowest to Highest

Browse calorie values for Burger21 menu items, with official nutrition where available and estimated calories for uncovered items. Updated August 2026.

Coverage

100%

Average Calories

377 kcal

Lowest Item

1 kcal

Highest Item

620 kcal

73 / 73 items resolved USDA database: 20 Estimated: 53

Lowest Calorie Items at Burger21

Use this ranking to find lighter menu options quickly

Full menu →
# Item Category Source Calories
1 Ybor City Double Espresso signature shakes USDA 1 kcal
2 Orange Soda retro floats USDA 3 kcal
3 Coca-Cola retro floats USDA 46 kcal
4 Root Beer retro floats USDA 47 kcal
5 Cream Soda retro floats USDA 48 kcal
6 Strawberry shakes USDA 50 kcal
7 Strawberry kids shakes USDA 50 kcal
8 Creme Brulee signature shakes USDA 113 kcal
9 Kids Salad kids menu Estimated 180 kcal
10 Side Salad fresh salads Estimated 180 kcal
11 Strawberry Short Cake signature shakes USDA 214 kcal
12 Bananas Foster signature shakes USDA 219 kcal
13 Caramel Macadamia Nut Cookie Sundae sundaes Estimated 240 kcal
14 Chocolate Chip Cookie Sundae sundaes Estimated 240 kcal
15 Vanilla kids shakes USDA 249 kcal
16 Crispy Chicken Salad kids menu Estimated 305 kcal
17 Key Lime Pie signature shakes USDA 310 kcal
18 Rocky Road cookies USDA 357 kcal
19 101 Dog gourmet dogs Estimated 390 kcal
20 2-pack Grilled Cheese kids menu Estimated 390 kcal
21 B21 Banana Split sundaes Estimated 390 kcal
22 Bacon Cheesy 4-pack sliders 4-packs Estimated 390 kcal
23 Black & Bleu beef burger Estimated 390 kcal
24 Black & Bleu 4-pack sliders 4-packs Estimated 390 kcal
25 Black & Bleu Wedge fresh salads Estimated 390 kcal
26 Cheese & Ale Sauce fries etc Estimated 390 kcal
27 Chili Cheese Dog gourmet dogs Estimated 390 kcal
28 Hot Dog kids menu Estimated 390 kcal
29 Kiddie Sundae sundaes Estimated 390 kcal
30 Spicy Thai Shrimp seafood burger Estimated 390 kcal
Nutrition sync is temporarily paused Missing official items: 53

Highest Calorie Items

Top calorie-dense picks based on current nutrition data

BBQ Bacon Burger

beef burger 620 kcal

Black Bean Burger

veggie burger 620 kcal

Burger

kids menu 620 kcal

Burger 101

beef burger 620 kcal

Cheesy Burger

beef burger 620 kcal

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How Estimated Calories Are Calculated

When official nutrition is unavailable, calorie values are estimated using menu-item keywords and then adjusted by portion size. These values are directional for comparison, not medical nutrition advice.

  • Base estimate: item-name tokens (for example burger, fries, salad, pizza, shake) map to baseline calorie ranges.
  • Portion weighting: ounce and gram values adjust the estimate (about 8 oz = 1.0x, about 230 g = 1.0x), then the value is capped within a safe range.
  • Size modifiers: small/kids items apply a lower multiplier, while large/xl/family/double items apply a higher multiplier.
  • Final output: estimates are rounded to whole calories and shown as Estimated in the source column.

Burger21 Calories — Frequently Asked Questions

Questions about calorie values, estimates, and nutrition coverage.

How many Burger21 items have calorie data?
Burger21 currently has calorie values for 73 of 73 menu items (100% coverage). We first use official nutrition sources when available, then apply estimation fallback for unresolved items.

What is the lowest-calorie item at Burger21?
The lightest item currently tracked is Ybor City Double Espresso at approximately 1 kcal. Use the ranked table to find other low-calorie meal choices.

Are Burger21 calorie values official or estimated?
This page uses a hybrid model: 20 items use USDA database estimates, while 53 items are algorithmic estimates. Both are directional for comparison, not medical guidance.

Where can I compare calories and prices together?
Use the Burger21 full menu prices page for price-focused browsing and the cheapest menu items page for budget picks. This calories page is built for nutrition-first filtering.

How to Use This Calories Page

Use this page to compare low-calorie and high-calorie items quickly before ordering. Official values are used where available, and estimated values fill the coverage gap for broad menu discovery.

Estimated values are directional and may vary by location, preparation style, and serving size. For strict dietary planning, cross-check with the official restaurant nutrition statement when available.