Meat, Fish & Eggs
Calories in Tuna (Canned in Water)
Canned tuna is one of the cheapest protein sources available. A drained can has about 165 calories and 36g of protein. Light tuna has less mercury than albacore/white tuna — stick with light if you eat it often.
Per 100g
calories
Per serving
calories — 1 can drained (142g)
Good to know
Light tuna = skipjack (lower mercury). White tuna = albacore (higher mercury, more omega-3s).
Limit to 2-3 cans per week to stay within safe mercury guidelines.
In water, not oil — unless you want to double the calories.
Not sure about the portions?
Snap a photo of your tuna (canned in water) and CalShot will estimate the exact calories and macros for your actual portion size. No measuring, no guessing.
Scan your tuna (canned in water)Related foods
More meat, fish & eggs
| Food | Cal | Protein | Carbs | Fat |
|---|---|---|---|---|
| Chicken Breast | 165 | 31g | 0g | 3.6g |
| Salmon | 208 | 20.4g | 0g | 13.4g |
| Eggs | 155 | 12.6g | 1.1g | 11.3g |
| Ground Beef (80/20) | 254 | 17.2g | 0g | 20g |
| Turkey Breast | 135 | 30.1g | 0g | 0.7g |
| Shrimp | 99 | 24g | 0.2g | 0.3g |
Frequently asked questions
How many calories are in tuna (canned in water)?
Tuna (Canned in Water) contains 116 calories per 100 grams. 1 can drained (142g) has approximately 165 calories, with 36.2g protein, 0g carbs, and 1.1g fat.
How can I accurately track tuna (canned in water) calories?
The most accurate way is to weigh your portion on a food scale. Alternatively, you can use CalShot to snap a photo of your tuna (canned in water) and get an AI-powered calorie estimate in seconds — no weighing or manual logging required.