Subway Tuna Mayo: calories and macros (United Kingdom)
A 6-inch Subway Tuna Mayo has 1,675 kJ (400 cal), 22 g protein, 43 g carbs and 16 g fat. The footlong has 3,350 kJ (800 cal) and 44 g protein.
Source: official Subway United Kingdom nutrition guide, September 2026.
Nutrition by size
| Size | Serve (g) | kJ | Cal | Protein (g) | Carbs (g) | Fat (g) | Sodium (mg) |
|---|---|---|---|---|---|---|---|
| 6-inch sub | 200 | 1675 | 400 | 22 | 43 | 16 | 720 |
| Footlong sub | 400 | 3350 | 800 | 44 | 86 | 32 | 1440 |
| Wrap | 208 | 1788 | 427 | 19 | 51 | 16 | 840 |
| Salad | 209 | 693 | 166 | 13 | 5.9 | 10 | 360 |
Make it your way
Swapping the bread, skipping cheese or changing the sauce moves these numbers a lot. Build your exact version and the calculator adds it up from the same guide.
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