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Nutrition Breakdown

Jack's Shack Calories — Lowest to Highest

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

Coverage

100%

Average Calories

151 kcal

Lowest Item

1 kcal

Highest Item

386 kcal

40 / 40 items resolved USDA database: 39 Estimated: 1

Lowest Calorie Items at Jack's Shack

Use this ranking to find lighter menu options quickly

Full menu →
# Item Category Source Calories
1 Boylan Diet Black Cherry beverages USDA 1 kcal
2 Poland Spring Bottled Water beverages Estimated 10 kcal
3 Arnold Palmer beverages USDA 23 kcal
4 Vegetable Burger burgers USDA 24 kcal
5 Apple and Eve Juice beverages USDA 42 kcal
6 Johnny Ryan Sodas beverages USDA 47 kcal
7 Jack Me up Smoothie smoothies USDA 50 kcal
8 Revitalizer Smoothie smoothies USDA 50 kcal
9 Malibu Taco tacoritos USDA 54 kcal
10 Can of Soda beverages USDA 57 kcal
11 The Dumper Smoothie smoothies USDA 58 kcal
12 Market Salad salads USDA 59 kcal
13 Santa Fe Taco tacoritos USDA 63 kcal
14 Mini Me Smoothie smoothies USDA 64 kcal
15 Montego Taco tacoritos USDA 65 kcal
16 Pulled Pork Sandwich sandwiches USDA 114 kcal
17 Wedge Salad salads USDA 136 kcal
18 Turkey Burger burgers USDA 147 kcal
19 Sweet Potato Fries fries USDA 153 kcal
20 4 oz. Kids Burger burgers USDA 155 kcal
21 4 oz. Kids Cheeseburger burgers USDA 155 kcal
22 7 oz. Big Jack Burger burgers USDA 155 kcal
23 7 oz. Cheeseburger burgers USDA 155 kcal
24 7 oz. Hamburger burgers USDA 155 kcal
25 Kobe Burger burgers USDA 155 kcal
26 Montauk Lobster Roll classics USDA 187 kcal
27 Medley of Fries fries USDA 192 kcal
28 Key West Taco tacoritos USDA 200 kcal
29 Plantain Fries fries USDA 200 kcal
30 Asian Salad salads USDA 212 kcal
Nutrition sync is temporarily paused Missing official items: 1

Highest Calorie Items

Top calorie-dense picks based on current nutrition data

Lemonade

beverages 386 kcal

Iced Tea

beverages 345 kcal

Chicken Salad Sandwich

sandwiches 340 kcal

Jack's Famous Steak Sandwich

sandwiches 333 kcal

Caesar Salad

salads 293 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.

Jack's Shack Calories — Frequently Asked Questions

Questions about calorie values, estimates, and nutrition coverage.

How many Jack's Shack items have calorie data?
Jack's Shack currently has calorie values for 40 of 40 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 Jack's Shack?
The lightest item currently tracked is Boylan Diet Black Cherry at approximately 1 kcal. Use the ranked table to find other low-calorie meal choices.

Are Jack's Shack calorie values official or estimated?
This page uses a hybrid model: 39 items use USDA database estimates, while 1 items are algorithmic estimates. Both are directional for comparison, not medical guidance.

Where can I compare calories and prices together?
Use the Jack's Shack 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.