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A row of bite-size sushi rolls has white rice on the outside, dotted with tiny orange roe, and a dark seaweed layer around fillings of red tuna, pale-green avocado and crisp green cucumber.

Maguro Boston roll Calories

Sushi roll with tuna, rice, and nori

CALORIES · 100 G

154kcal

GI

52medium

POTASSIUM · 100 G

142mg

FIBER · 100 G

1.1g

Quick answer

1 piece (medium) of Maguro Boston roll (35 g) has 54 calories. That works out to 154 calories per 100 g. It contains 8.5 g of carbs, 2.8 g of protein, 0.9 g of fat and 0.4 g of fiber. Its 0.4 µg of B12 covers 16% of the Daily Value. Its glycemic index is 52 (medium), so it raises blood sugar at a moderate pace.

Maguro Boston roll Nutrition Facts

Selected: 1 piece (medium) · 35 g

54

KCAL / 35G

Carbs

8.5g

· 3% DV

Protein

2.8g

· 6% DV

Fat

0.9g

· 1% DV

Fiber

0.4g

· 1% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 64% · Protein 21% · Fat 15%

Maguro Boston roll nutrition facts table · 1 piece (medium) (35 g)

NutrientAmount% DV
Calories54 kcal
Total fat0.9 g1%
Saturated fat0.19 g1%
Trans fat0 g
Sodium109 mg5%
Total carbohydrate8.5 g3%
Fiber0.4 g1%
Protein2.8 g6%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in 1 Medium Maguro Boston roll?

ServingAmountCalories
1 piece (medium)35 g54 kcal
1 piece (small)30 g46 kcal
1 piece (large)45 g69 kcal
100 g100 g154 kcal
½ serving (half)105 g162 kcal
1 cup (chopped)160 g246 kcal
6 piece (whole)210 g323 kcal
1 serving (medium)210 g323 kcal
8 piece (whole)280 g431 kcal

Calculated from 154 calories per 100 g.

Frequently Asked Questions About Maguro Boston roll

What is in a maguro Boston roll?

A maguro Boston roll is made with sushi rice, nori and tuna; some versions also include avocado, cucumber or other fillings. The exact ingredients vary by restaurant, so check the menu if you need to avoid a particular ingredient.

Is the tuna in a maguro Boston roll raw?

Not always. A maguro Boston roll may contain raw, seared or cooked tuna, depending on the restaurant. Ask how the tuna is prepared if you want to avoid raw fish.

What does “maguro” mean in a maguro Boston roll?

Maguro is the Japanese word for tuna. In a maguro Boston roll, it identifies the tuna filling, while “Boston roll” refers to a style of sushi roll rather than one fixed recipe.

How is a maguro Boston roll different from a regular Boston roll?

A maguro Boston roll uses tuna as its defining filling. A traditional Boston roll is commonly made with cooked shrimp, though ingredients vary between restaurants; check the description rather than relying on the name alone.

How do you make a maguro Boston roll at home?

Spread sushi rice over a sheet of nori, add tuna and any chosen fillings, then roll it tightly with a bamboo mat. Use a sharp, damp knife to slice it, and choose sushi-grade tuna if serving it raw.

Why is it called a Boston roll?

The Boston roll is named for its association with Boston-style sushi in the United States. A maguro Boston roll is a tuna variation, but restaurants may use different fillings and the name does not guarantee a standard recipe.

What sauce goes with a maguro Boston roll?

Soy sauce, wasabi and pickled ginger are common accompaniments to a maguro Boston roll. Use soy sauce sparingly so it does not overpower the tuna, and dip the cut side lightly to keep the rice intact.

Can you eat a maguro Boston roll the next day?

It is best to eat a maguro Boston roll the day it is made, especially if it contains raw tuna. Refrigerate leftovers promptly in a sealed container, and discard them if they have been left out or their smell or appearance has changed.

Can you freeze a maguro Boston roll?

Freezing a maguro Boston roll is not recommended. Thawed sushi rice can turn dry or mushy, and fillings such as cucumber or avocado lose their texture; eat it fresh instead.

Can you eat a maguro Boston roll during pregnancy?

Avoid a maguro Boston roll made with raw tuna during pregnancy, and choose a fully cooked filling instead. Tuna limits depend on the type of fish, so ask your healthcare professional for advice suited to you.

Maguro Boston roll Vitamins & Minerals

Vitamins

B12

0.39µg · 16% DV

B3

0.74mg · 5% DV

B6

0.04mg · 2% DV

Biotin

0.7µg · 2% DV

Minerals

Selenium

6.3µg · 11% DV

Phosphorus

38mg · 5% DV

Manganese

0.11mg · 5% DV

Sodium

109mg · 5% DV

Potassium ⭐

50mg · 1% DV

Maguro Boston roll Glycemic Index

GLYCEMIC INDEX

52
Medium
0 Low5570100

GLYCEMIC LOAD

4.9
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Maguro Boston roll

To burn the 54 calories in 1 piece (medium) (35 g):

🚶

13min

Walking (5 km/h)

🏃

6min

Running (8 km/h)

🚴

7min

Cycling

🏊

6min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Maguro Boston roll?

A Maguro Boston roll is a sushi roll made with tuna, rice and nori. “Maguro” means tuna in Japanese, while the Boston roll is part of the American-style sushi tradition.

Soft, lightly seasoned rice contrasts with the nori’s subtle sea flavour and the tuna’s savoury taste. It is commonly served with soy sauce and wasabi; outside sushi restaurants, it can make a convenient light lunch or snack. Rice supplies most of its carbohydrates, while tuna contributes protein: a 100 g portion has 8.1 g. For a lighter meal, pair it with a simple salad rather than adding several rich sides.

How Nutritious Is Maguro Boston roll?

Nutrient density

Medium

46/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Medium

42/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Is Maguro Boston roll Processed?

NOVA 2

Minimally Processed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Maguro Boston roll Contain Allergens?

Contains these allergens:

Gluten free
Dairy free
Eggs free
Peanuts free
Tree nuts free
Fish yes
Soy free
Sesame free

Which Diets Is Maguro Boston roll Good For?

Vegan

— Not suitable

Vegetarian

— Not suitable

Gluten-Free

— Not suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

— Not suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

Maguro Boston roll Fat Profile

SATURATED

0.19g

MONOUNSATURATED

0.25g

POLYUNSATURATED

0.12g

⚖️

Omega 6:3 ratio 1.5:1

Below the ideal 4:1 — a good omega balance.

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Nutrition data compiled from USDA FoodData Central and scientific sources.