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Nutrition Breakdown

O Bistro Calories — Lowest to Highest

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

Coverage

100%

Average Calories

337 kcal

Lowest Item

94 kcal

Highest Item

571 kcal

121 / 121 items resolved USDA database: 27 Estimated: 94

Lowest Calorie Items at O Bistro

Use this ranking to find lighter menu options quickly

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# Item Category Source Calories
1 Golden California Roll cooked rolls $10.95 USDA 94 kcal
2 Hot Fire Roll cooked rolls $10.95 USDA 94 kcal
3 Mamacita Roll cooked rolls $10.95 USDA 95 kcal
4 Grilled Salmon kitchen USDA 103 kcal
5 Grilled Beef kitchen USDA 108 kcal
6 Yam Tempura Roll vegetarian rolls USDA 118 kcal
7 Green Eel Roll cooked rolls $10.95 USDA 126 kcal
8 Spicy Tonkatsu Ramen ramen USDA 137 kcal
9 10-Piece Sashimi moriawase USDA 138 kcal
10 8-Piece Nigiri moriawase USDA 144 kcal
11 Chirashi Don moriawase USDA 154 kcal
12 Unagi Don moriawase USDA 154 kcal
13 Dragon Roll cooked rolls $10.95 USDA 156 kcal
14 Nigiri Party Tray party trays USDA 167 kcal
15 Tiger Roll cooked rolls $10.95 USDA 174 kcal
16 Maki Party Tray party trays USDA 178 kcal
17 Signature Party Tray party trays USDA 178 kcal
18 Crab Salad soup & salad Estimated 180 kcal
19 House Salad soup & salad Estimated 180 kcal
20 Soda Can beverages Estimated 180 kcal
21 Spring Mix Salad soup & salad Estimated 180 kcal
22 Wakame Salad soup & salad Estimated 180 kcal
23 Caterpillar Roll cooked rolls $10.95 USDA 197 kcal
24 Miso Broth Ramen ramen USDA 200 kcal
25 Mini Party Tray party trays USDA 201 kcal
26 Miso Soup soup & salad Estimated 220 kcal
27 Miso Soup With Clam soup & salad Estimated 220 kcal
28 Miso Soup With Mushroom soup & salad Estimated 220 kcal
29 Grilled Chicken kitchen USDA 225 kcal
30 Shrimp Lover Roll cooked rolls $10.95 USDA 258 kcal
Nutrition sync is temporarily paused Missing official items: 94

Highest Calorie Items

Top calorie-dense picks based on current nutrition data

Saba Shioyaki

kitchen 571 kcal

Shouyu Ramen

ramen 533 kcal

Truffle Chicken Wings

appetizers 430 kcal

Tempura Udon

udon 421 kcal

Plain Udon

udon 399 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.

O Bistro Calories — Frequently Asked Questions

Questions about calorie values, estimates, and nutrition coverage.

How many O Bistro items have calorie data?
O Bistro currently has calorie values for 121 of 121 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 O Bistro?
The lightest item currently tracked is Golden California Roll at approximately 94 kcal. Use the ranked table to find other low-calorie meal choices.

Are O Bistro calorie values official or estimated?
This page uses a hybrid model: 27 items use USDA database estimates, while 94 items are algorithmic estimates. Both are directional for comparison, not medical guidance.

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