Macros in Tuna
100 g of Tuna provides 28 g protein, 1 g fat and 0 g carbs. Adjust the weight to see your serving, or compare the macros per 100 calories below.
Protein, fat and carbs per 100 g
- Protein
- 28 g
- Fat
- 1 g
- Carbs
- 0 g
132 kcal per 100 g
These are reference values. Ingredients and preparation can change the result.
Calories in TunaCalculate macros for your serving
Enter the weight to calculate calories and macros here. No sign-up required.
In your portion
158 kcal
- Protein
- 33.6 g
- Fat
- 1.2 g
- Carbs
- 0 g
Compare Tuna macros per 100 calories
Equal weights and equal calories answer different questions. The values below show the grams of each macro for 100 calories of this food, using the same reference entry. They are not percentages, daily targets or a suggested serving.
- Protein
- 21.2 g
- Fat
- 0.8 g
- Carbs
- 0 g
Reference portion: serving (120 g). This is an example amount, not a recommended portion. Weigh your food when possible: a cup, slice or piece can vary in size.
Check that the entry matches the food you have, including its preparation. If raw or cooked is not specified, check your label or a matching nutrition reference before logging it.
Compare macros by serving weight
| Portion | Calories | Protein | Fat | Carbs |
|---|---|---|---|---|
| 50 g | 66 kcal | 14 g | 0.5 g | 0 g |
| 100 g | 132 kcal | 28 g | 1 g | 0 g |
| 120 g | 158 kcal | 33.6 g | 1.2 g | 0 g |
| 200 g | 264 kcal | 56 g | 2 g | 0 g |
Use the right values for your food
Calculate a portion from your label
Have different numbers on the package? Use its calories, macros and serving weight instead of this reference entry.
See how macro tracking works in FoodWarz
FoodWarz adds the protein, fat and carbs of each logged meal to a running daily total and shows it against the targets you set.
Next: your food diary
Log meals by photo, text, voice or barcode. Check the portion and nutrition before saving.
How FoodWarz works →What changes the calories?
Oil, sauces, sugar, toppings, cooking method and portion weight can change tuna calories quickly.
FAQ
How do I calculate macros for a serving of Tuna?
Multiply each per-100 g value by the serving weight and divide by 100. A 120 g portion gives about 33.6 g protein, 1.2 g fat and 0 g carbs.
Can I compare these macros with a food label?
First match the serving weight and preparation. Compare per 100 g with per 100 g, or scale both entries to the same portion. Use the package values for a specific branded product.
Is tuna good for calorie tracking?
Yes, as long as you track portion size. The biggest source of error is usually weight, sauces, oil and mixed ingredients.
How Tuna compares
No other food in this table has more protein per 100 g than Tuna.
Data sources
Reference values are compiled from USDA FoodData Central, Open Food Facts and curated food databases. Your actual portion may differ by recipe, brand and cooking method.
Nutrition data methodologyNutrition values are estimates for calorie tracking and may vary by recipe, brand, cooking method and portion size. Not medical advice.
Last updated: October 3, 2026