GudFude

Calories in canned tuna

Very high protein for the calories — about 116 kcal per 100 g in water.

Estimate per serving

100 g canned tuna in water (drained)

Calories

116 kcal

Protein

26 g

Carbs

0 g

Fat

1 g

Values are widely-accepted estimates and vary by brand, ripeness, cut, preparation and portion size.

Common serving sizes

ServingCaloriesProteinCarbsFat
Small can (~80 g drained)93 kcal21 g0 g0.8 g
Large can (~145 g drained)168 kcal38 g0 g1.5 g
100 g canned tuna in oil (drained)198 kcal29 g0 g8 g

Is tuna (canned) good for meal planning?

Canned tuna in water is one of the cheapest high-protein foods you can buy. A standard small can gives you over 20 g of protein for under 100 kcal.

Tuna in oil has roughly double the fat, which roughly doubles the calories. Drain well either way — the listed values are for drained weight.

How to use tuna (canned) in a meal plan

  • Quick lunch with light mayo on wholemeal bread
  • Mixed into pasta with sweetcorn and a little olive oil
  • Tuna salad with eggs, leaves and tomatoes
  • Stuffed into a baked potato with yoghurt

How to track tuna (canned) in GudFude

GudFude is a calorie tracker and meal planner. Add tuna (canned) to a meal, pick the serving size that matches what you ate, and your daily totals update instantly. You can save it as a favourite so logging it next time takes one tap.

GudFude shows estimates for general guidance only. It is not medical advice and does not claim to publish a verified global food database. Check packet labels when accuracy matters.

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Frequently asked questions

+How many calories in a small can of tuna?
A typical 80 g drained can in water is around 93 kcal with about 21 g of protein.
+Is tuna in oil bad for weight loss?
Not bad, just higher calorie. Plan it in or stick with tuna in water if you want maximum protein per calorie.
+Is canned tuna safe to eat regularly?
For most people, a few cans a week is fine. Pregnant women should follow local guidance on mercury intake.
+Are these calorie values exact?
No. They are widely-accepted estimates for a typical portion. Exact calories vary by brand, ripeness, cut, preparation method and portion size. Use the value on your packet when you have one.