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A tuna mayonnaise sandwich sits on a plate, with pale tuna flakes bound in creamy white mayonnaise between two slices of soft bread and a little filling visible at the cut edge.

Tuna Mayo Sandwich Calories

Detailed nutrition analysis with calories, glycemic index, vitamins and minerals.

CALORIES · 100 G

220kcal

GI

60medium

POTASSIUM · 100 G

110mg

FIBER · 100 G

1.6g

Quick answer

1 piece (medium) of Tuna Mayo Sandwich (130 g) has 286 calories. That works out to 220 calories per 100 g. It contains 28.6 g of carbs, 14.3 g of protein, 11.7 g of fat and 2.1 g of fiber. Its 1 µg of B12 covers 43% of the Daily Value. Its glycemic index is 60 (medium), so it raises blood sugar at a moderate pace.

Tuna Mayo Sandwich Nutrition Facts

Selected: 1 piece (medium) · 130 g

286

KCAL / 130G

Carbs

28.6g

· 10% DV

Protein

14.3g

· 29% DV

Fat

11.7g

· 15% DV

Fiber

2.1g

· 8% DV

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

Calories come from: Carbs 41% · Protein 21% · Fat 38%

Tuna Mayo Sandwich nutrition facts table · 1 piece (medium) (130 g)

NutrientAmount% DV
Calories286 kcal
Total fat11.7 g15%
Saturated fat1.95 g10%
Trans fat0.03 g
Sodium546 mg24%
Total carbohydrate28.6 g10%
Fiber2.1 g8%
Protein14.3 g29%

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 Tuna Mayo Sandwich?

ServingAmountCalories
1 piece (medium)130 g286 kcal
1 piece (small)90 g198 kcal
100 g100 g220 kcal
1 serving (medium)130 g286 kcal
1 piece (large)180 g396 kcal
1 piece (extra large)250 g550 kcal
2 piece (double)260 g572 kcal
1 pack (double)260 g572 kcal

Calculated from 220 calories per 100 g.

Frequently Asked Questions About Tuna Mayo Sandwich

What is in a Tuna Mayo Sandwich?

A Tuna Mayo Sandwich is usually made with tuna, mayonnaise and bread. Common additions include lettuce, cucumber, sweetcorn, onion or lemon juice; draining the tuna well helps keep the filling from making the bread soggy.

How do you make a Tuna Mayo Sandwich?

Drain and flake the tuna, then mix it with mayonnaise and spread it between slices of bread. Add crisp vegetables if you like, and assemble the sandwich close to serving time for the best texture.

Is a Tuna Mayo Sandwich healthy?

A Tuna Mayo Sandwich can be a convenient source of protein, while mayonnaise and the choice of bread shape the overall meal. Adding lettuce, tomato or other vegetables is an easy way to make the filling more varied.

How long does a Tuna Mayo Sandwich last in the fridge?

A Tuna Mayo Sandwich is best eaten within a day when kept covered in the refrigerator. Keep it chilled rather than leaving it out, particularly in warm weather, and discard it if it has been sitting at room temperature for hours.

Can you freeze a Tuna Mayo Sandwich?

Freezing a Tuna Mayo Sandwich is not recommended. Mayonnaise can separate as it thaws, and the tuna filling and bread may become watery or soft; make the sandwich fresh instead.

Why does a Tuna Mayo Sandwich go soggy?

A Tuna Mayo Sandwich goes soggy when excess liquid from the tuna or other ingredients seeps into the bread. Drain the tuna thoroughly, pat wet vegetables dry, and assemble the sandwich shortly before eating.

What bread is best for a Tuna Mayo Sandwich?

Sturdy sliced bread, a roll or a baguette all work well for a Tuna Mayo Sandwich. Choose soft bread for an easy-to-eat lunch, or a firmer loaf if you want it to hold a moist filling without collapsing.

Can you make a Tuna Mayo Sandwich without mayonnaise?

Yes, you can make a Tuna Mayo Sandwich without mayonnaise by mixing the drained tuna with plain yogurt, mashed avocado or a little olive oil. The texture and flavor will differ, so add the alternative gradually until the filling holds together.

What should you serve with a Tuna Mayo Sandwich?

A Tuna Mayo Sandwich pairs well with a side salad, crunchy vegetables, soup or pickles. For a lighter lunch, serve it with fresh vegetables; for a more substantial meal, add a bowl of soup.

Can you pack a Tuna Mayo Sandwich for lunch?

Yes, a Tuna Mayo Sandwich can be packed for lunch if it stays cold until you eat it. Use an insulated lunch bag with a cold pack, and keep the sandwich separate from warm items.

Tuna Mayo Sandwich Vitamins & Minerals

Vitamins

B12

1.04µg · 43% DV

B3

3.64mg · 23% DV

B6

0.17mg · 10% DV

Folate

39µg · 10% DV

Minerals

Selenium

23µg · 42% DV

Sodium

546mg · 24% DV

Phosphorus

124mg · 18% DV

Copper

0.1mg · 11% DV

Potassium ⭐

143mg · 4% DV

Tuna Mayo Sandwich Glycemic Index

GLYCEMIC INDEX

60
Medium
0 Low5570100

GLYCEMIC LOAD

16.9
Medium

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

How to Burn Off Tuna Mayo Sandwich

To burn the 286 calories in 1 piece (medium) (130 g):

🚶

71min

Walking (5 km/h)

🏃

29min

Running (8 km/h)

🚴

39min

Cycling

🏊

33min

Swimming

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

What is Tuna Mayo Sandwich?

A tuna mayo sandwich is made with tuna mixed with mayonnaise and tucked between slices of bread, sometimes with lettuce, sweetcorn or a little seasoning. It is a familiar café and packed-lunch choice in Britain, and is also an easy lunch across many English-speaking countries. The filling is creamy and savoury, with a soft texture that contrasts with fresh, crisp additions. It is usually served cold, on its own or alongside a simple salad or a bowl of soup.

The bread provides much of the carbohydrate, while tuna contributes protein; there are 11 g of protein per 100 g. For a lighter sandwich, use less mayonnaise and add extra salad leaves or sliced vegetables.

How Nutritious Is Tuna Mayo Sandwich?

Nutrient density

Medium

38/ 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

43/ 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 Tuna Mayo Sandwich Processed?

NOVA 3

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 Tuna Mayo Sandwich Contain Allergens?

Contains these allergens:

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

Which Diets Is Tuna Mayo Sandwich 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

Tuna Mayo Sandwich Fat Profile

SATURATED

1.95g

MONOUNSATURATED

3.64g

POLYUNSATURATED

1.82g

⚖️

Omega 6:3 ratio 4.3:1

Above the ideal 4:1 (4.3:1).

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Nutrition data compiled from USDA FoodData Central and scientific sources.