Subway · Subs

Tuna MayoSubway calories & macros

A Subway Tuna Mayo (6-Inch, White) has 377 calories (1,577 kJ), with 21.7 g protein, 14.5 g fat and 38.4 g carbs per serve. That is about 18% of the 8,700 kJ daily intake used on Australian food labels.

Calories3771,577 kJ

Protein21.7 g23% of energy

Fat14.5 g35% of energy

Carbs38.4 g41% of energy

Protein 23%Fat 35%Carbs 41%

B5.8 g protein per 100 kcal - good protein density on Macro Menu's S to F scale

Open in the Macro Menu app All Subway items

Full nutrition (6-Inch, White)

Per serve	Amount
Energy	1,577 kJ (377 kcal)
Protein	21.7 g
Fat, total	14.5 g
- saturated	4.5 g
Carbohydrate	38.4 g
- sugars	4.5 g
Sodium	708 mg

As published by Subway.

Tuna Mayo sizes and options

Option	kcal	kJ	Protein g	Fat g	Carbs g	Sat fat g	Sugars g	Sodium mg
6-Inch, White	377	1,577	21.7	14.5	38.4	4.5	4.5	708
6-Inch, Wheat	377	1,577	21.8	14.5	38.2	4.5	4.4	740
6-Inch, Malted Rye	426	1,782	24.9	16.9	41.0	4.9	4.4	833
6-Inch, Italian Herbs & Cheese	416	1,741	23.7	16.9	40.5	6.1	4.8	913
Footlong, White	754	3,155	43.4	29.0	76.8	9.0	9.0	1,416
Footlong, Wheat	754	3,155	43.6	29.0	76.4	9.0	8.8	1,480
Footlong, Malted Rye	852	3,565	49.8	33.8	82.0	9.8	8.8	1,666
Footlong, Italian Herbs & Cheese	832	3,481	47.4	33.8	81.0	12.2	9.6	1,826

Lowest: 6-Inch, White at 377 kcal. Highest: Footlong, Malted Rye at 852 kcal - a 475 kcal spread.

Customise it: what swaps change

Per-serve totals after a common change. Modifier figures are Macro Menu estimates unless Subway publishes the component itself.

Change	kcal	kJ	Protein g	Fat g	Carbs g
As sold	377	1,577	21.7	14.5	38.4
Double meat (+113 kcal)	490	2,050	31.9	22.1	39.4
+ Avocado (+58 kcal)	435	1,820	22.9	19.8	41.9
+ Smoky Bacon (+57 kcal)	434	1,816	24.7	19.5	38.6
+ Extra cheese (+56 kcal)	433	1,812	25.1	19.3	38.5
No cheese (-56 kcal)	321	1,343	18.3	9.7	38.3

How it compares with other Subway subs

Of the 21 subs on the Subway menu, Tuna Mayo ranks 12th of 21 for protein and is the 4th lowest in calories. The category average is 431 kcal, so this one is below average by 54 kcal.

Item	kcal	kJ	Protein g	Fat g	Carbs g
Veggie Delite with Avo (8 options)	328	1,372	12.9	12.3	41.9
Honey Mustard Leg Ham (8 options)	342	1,431	18.2	9.0	45.4
Turkey (8 options)	345	1,443	20.7	8.3	45.1
Tuna Mayo (8 options)	377	1,577	21.7	14.5	38.4
Peri Peri-Style Chicken (8 options)	378	1,582	27.9	10.4	41.6
Chicken Strips (8 options)	382	1,598	25.7	13.3	38.5
Seafood Sensation (8 options)	393	1,644	14.5	15.4	46.7

Sorted by calories, showing the items either side of this one. See every Subway subs item.

Quick answers

How many calories are in a Subway Tuna Mayo?

Tuna Mayo at Subway ranges from 377 to 852 calories depending on the option. The 6-Inch, White is 377 kcal (1,577 kJ).

How much protein is in Subway's Tuna Mayo?

21.7 g of protein in the 6-Inch, White, which works out to 5.8 g per 100 kcal - rated B (good) for protein density on Macro Menu.

How many kJ is that?

1,577 kJ. Australian menus list kilojoules; divide by 4.184 to get calories. 1,577 kJ is roughly 18% of an 8,700 kJ day.

Is it a lower-calorie choice at Subway?

Within Subway subs it is the 4th lowest of 21. The lowest-calorie option in that category is Veggie Delite with Avo at 328 kcal, and the highest-protein is Philly-Style Three-Cheese Steak with 29.4 g.