Raw tuna ranges from ~103–144 calories per 100 g, depending on the species and fat level.
Skipjack (100 g)
Yellowfin (100 g)
Bluefin (100 g)
Sashimi Style
- Plain slices, no oil
- Lowest add-ons
- Weigh portions
Lean
Poke Bowl
- Marinade and mix-ins
- Add rice/avocado
- Watch sauces
Moderate
Seared At Home
- Hot pan + oil
- Quick crust
- Count the drizzle
Richer
Raw Tuna Calories By Cut And Species
Calorie counts swing with species and fat. Lean kinds sit near the low end; fattier cuts push the number up. The table below shows practical servings two ways so you can eyeball a sashimi tray or weigh a portion at home.
| Species | Per 100 g | Per 3 oz (85 g) |
|---|---|---|
| Skipjack | ~103 kcal | 88 kcal |
| Yellowfin | 109 kcal | 93 kcal |
| Bluefin | 144 kcal | 122 kcal |
Those numbers come from nutrient databases built from lab analyses of raw fish. Skipjack tends to be lean, yellowfin sits in the middle, and bluefin is naturally richer in fat, so it carries more energy per gram. Species also differ in vitamins like B12 and minerals such as selenium, but protein stays high across the board.
Why The Numbers Differ
Two levers drive the calorie swing: fat and water. Leaner fish hold more water and less fat, so their energy per gram drops. Fatty cuts—toro from bluefin is the classic example—raise calories fast because each gram of fat carries over double the energy of protein. Even within one fish, belly slices run richer than loin slices.
Portion size is the third lever. A few extra slices on a plate can add up. That’s easier to manage once you set your daily calorie needs, then stack meals around that number. Keep the calculations simple: weigh once, learn the look, and match the table ranges above in day-to-day meals.
Protein, Fat, And Omega-3s In Raw Tuna
Lean species still deliver plenty of protein for the calories. Yellowfin shows about 24 g of protein per 100 g with minimal fat. Bluefin brings similar protein but more fat, which also means more omega-3s in many cuts. That trade-off helps satiety and flavor, so pick what suits the meal and the macro target.
Per-100-Gram Macro Snapshot
Here’s a simple comparison so you can balance plate goals—lean protein for a cut phase or a richer portion for a higher-energy day.
For nutrient baselines, see FDA guidance on seafood servings and mercury categories in the Advice about Eating Fish. It explains who should prefer lower-mercury choices and how a “serving” is defined.
| Species | Protein | Fat |
|---|---|---|
| Yellowfin | ~24.4 g | ~0.5 g |
| Skipjack | ~22 g | ~1.0 g |
| Bluefin | ~23.3 g | ~4.9 g |
That spread explains the calorie gap. Yellowfin is the classic “high protein, low fat” pick for sashimi. Skipjack is close, with a touch more fat. Bluefin moves to the richer side, which can be useful when you want more energy without a big portion.
Serving Sizes And Real-World Plates
A common sashimi set lands near 85–120 g per person. A poke bowl often pushes higher because of marinade, rice, and add-ins. When logging a mixed bowl, weigh the fish before adding sauces, or estimate by volume and use a conservative entry. If you sear a steak, account for the cooking fat. A teaspoon of oil adds about 40 calories; a tablespoon adds about 120.
Quick Ways To Hit A Target
- Cut calories: Go with skipjack or yellowfin sashimi, soy on the side, no oil.
- Stay moderate: Toss yellowfin cubes with light marinade and fruit or cucumber; keep avocado to a small wedge.
- Boost calories: Pick a fattier bluefin cut, add a sesame drizzle, and pair with rice.
Raw Tuna Calories Versus Cooked
Cooking changes water content. A quick sear or grill removes moisture and concentrates energy per 100 g. The total calories in the raw piece and the cooked piece stay tied to the starting weight and any fat you add. So weigh before cooking when you want precision, then log the oil separately.
Mercury, Safety, And Smart Choices
Species choice is about more than calories. Lower-mercury options are a safer routine pick for kids and for people who are pregnant or planning a pregnancy. The FDA lists canned light (usually skipjack) as a “Best Choice” and albacore/white as a “Good Choice,” with one standard serving defined as 4 oz (113 g) for adults. Bigeye should be avoided by those groups. That framework helps you plan frequency even when eating sushi-grade fish at home or in restaurants.
Omega-3s And Heart Health
Fish bring EPA and DHA, two long-chain omega-3s connected with heart benefits. Evidence supports seafood as part of a weekly pattern, with oily fish supplying the bulk of those fats. The NIH notes that the FDA permits a qualified health claim about EPA and DHA intake and coronary heart disease risk when framed appropriately on labels. Aim for seafood once or twice a week and pick lean or rich cuts based on calorie goals.
Label Reading And Menu Clues
At a fish counter, look for the species name. “Yellowfin” or “ahi” usually signals the middle of the calorie range. “Bluefin” hints at a richer bite. “Skipjack” tracks lean. On menus, “toro” points to the fattiest portion from the belly; “akami” is the lean red loin. If a roll or bowl lists mayonnaise, spicy sauce, or crispy toppings, that’s where the extra energy tends to hide.
Practical Logging Tips
Home Scale Method
Weigh the fish before seasoning. Log by species using the closest database entry. Add condiments and oils line by line. Snap a quick note so you can repeat the same setup later without re-weighing everything.
No-Scale Visual Method
Three ounces is roughly a deck of cards or a palm without fingers. A sashimi slice averages 10–15 g, so 6–8 slices land near the 85–120 g zone. Use the first table to get the energy range, then adjust for sauces.
Frequently Confused Points
Sashimi Grade And Calories
“Sashimi grade” refers to handling and freezing standards for raw consumption, not a calorie class. Energy still depends on species and cut.
Farmed Versus Wild
Energy differences come from fat content, which can vary with feed and season. That’s why the range matters more than a single number.
What This Means For Meal Planning
Set a weekly fish plan that balances calories, protein, and mercury guidance. Use lean species on low-energy days and richer cuts when you need more fuel. Keep sauces measured; keep oil honest. If you want extra reading on fats from seafood, you can skim our omega-3 benefits for heart piece for context.