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Nutrition Breakdown

Seiyo Calories — Lowest to Highest

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

Coverage

100%

Average Calories

365 kcal

Lowest Item

89 kcal

Highest Item

430 kcal

123 / 123 items resolved USDA database: 10 Estimated: 113

Lowest Calorie Items at Seiyo

Use this ranking to find lighter menu options quickly

Full menu →
# Item Category Source Calories
1 C. Shrimp Tempura lunch bento box USDA 89 kcal
2 Bento Box* lunch bento box USDA 139 kcal
3 F. Sushi And Sashimi* lunch bento box USDA 139 kcal
4 G. Vegetarian Maki lunch bento box USDA 143 kcal
5 A. Teriyaki Chicken lunch bento box USDA 149 kcal
6 B. Grilled Teriyaki-Glazed Salmon lunch bento box USDA 150 kcal
7 H. Nabeyaki-Udon lunch bento box USDA 177 kcal
8 Avocado Salad soup and salad Estimated 180 kcal
9 House Salad soup and salad Estimated 180 kcal
10 Seaweed Salad soup and salad Estimated 180 kcal
11 Spicy Seafood Salad soup and salad Estimated 180 kcal
12 Tofu Salad soup and salad Estimated 180 kcal
13 Yukke Salad* soup and salad Estimated 180 kcal
14 Miso Soup soup and salad Estimated 220 kcal
15 Alaskan Maki* inside out maki Estimated 390 kcal
16 Alligator special maki Estimated 390 kcal
17 Amaebi* nigiri sushi Estimated 390 kcal
18 Anago nigiri sushi Estimated 390 kcal
19 Asparagus Maki hoso-maki Estimated 390 kcal
20 Avocado Maki hoso-maki Estimated 390 kcal
21 California Maki inside out maki Estimated 390 kcal
22 California Maki inside out maki Estimated 390 kcal
23 California Maki inside out maki Estimated 390 kcal
24 Caterpillar special maki Estimated 390 kcal
25 Chilean Maki original maki Estimated 390 kcal
26 Chirashi donburi Estimated 390 kcal
27 Chutoro* nigiri sushi Estimated 390 kcal
28 Crazy special maki Estimated 390 kcal
29 Dragon special maki Estimated 390 kcal
30 Ebi nigiri sushi Estimated 390 kcal
Nutrition sync is temporarily paused Missing official items: 113

Highest Calorie Items

Top calorie-dense picks based on current nutrition data

Chicken

donburi 430 kcal

Una Don

donburi 429 kcal

D. Sushi*

lunch bento box 411 kcal

E. Sashimi*

lunch bento box 411 kcal

Alaskan Maki*

inside out maki 390 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.

Seiyo Calories — Frequently Asked Questions

Questions about calorie values, estimates, and nutrition coverage.

How many Seiyo items have calorie data?
Seiyo currently has calorie values for 123 of 123 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 Seiyo?
The lightest item currently tracked is C. Shrimp Tempura at approximately 89 kcal. Use the ranked table to find other low-calorie meal choices.

Are Seiyo calorie values official or estimated?
This page uses a hybrid model: 10 items use USDA database estimates, while 113 items are algorithmic estimates. Both are directional for comparison, not medical guidance.

Where can I compare calories and prices together?
Use the Seiyo 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.